The vice president's eldest son, Beau Biden, eulogized at funeral

The funeral procession for former Delaware Attorney General Beau Biden arrives at St. Anthony of Padua Roman Catholic Church in Wilmington, Delaware, June 6, 2015.

Biden, the eldest son of the vice president, died of brain cancer May 30 at age 46.

Biden Family

Former Delaware Attorney General Beau Biden, the son of Vice President Joe Biden, died at age 46 following a two-year battle with brain cancer.

Vice President Joe Biden puts his hand on his heart as he and granddaughter Natalie and wife, Jill Biden, look on before a funeral mass for former Delaware Attorney General Beau Biden, son of Vice President Biden, at St. Anthony of Padua Church in Wilmington, Delaware, June 6, 2015.

Mourners

People watch the hearse and Biden family arrive for a mass of Christian burial at St. Anthony of Padua Church for former Delaware Attorney General Beau Biden in Wilmington, Delaware, June 6, 2015.

Funeral procession

A funeral procession marches towards a mass of Christian burial at St. Anthony of Padua Church for former Delaware Attorney General Beau Biden in Wilmington, Delaware, June 6, 2015.

Honor Guard

An honor guard stands at attention outside St. Anthony of Padua Church before a mass of Christian burial is held for Biden on June 6, 2015 in Wilmington, Delaware.

Mourners

Eva Kislowski, 9, and Lauren Vernot, 7, hold commemorative programs for former Delaware Attorney General Beau Biden, as the hearse and Biden family arrive for a mass of Christian burial at St. Anthony of Padua Church in Wilmington, Delaware, June 6, 2015.

Charity

A lemonade stand donating all profits to the Beau Biden Foundation for Abused Children is set up beside a line of mourners outside St. Anthony of Padua Church in Wilmington, Delaware, June 6, 2015.

Beau Biden funeral

Julie Vernot and her 7-year-old daughter, Lauren Vernot, react as the hearse and Biden family arrive for a mass of Christian burial at St. Anthony of Padua Church for former Delaware Attorney General Beau Biden in Wilmington, Delaware, June 6, 2015.

Mourners from across the state lined up for hours to pay homage to Beau Biden and his family. Biden died last Saturday of brain cancer.

"Joe Biden is Delaware, and his son is also Delaware to me," Lisa Rial, who grew up in Delaware but lives in Pennsylvania, told The Associated Press. "They're synonymous with Delaware."

Bagpipes

A funeral procession marches towards a mass of Christian burial at St. Anthony of Padua Church for former Delaware Attorney General Beau Biden in Wilmington, Delaware, June 6, 2015.

Hallie Biden

Vice President Joe Biden comforts his daughter-in-law and widow Hallie Biden as the casket carrying Beau Biden arrives at St. Anthony of Padua Church in Wilmington, Delaware, June 6, 2015.

From (L-R) Beau Biden's brother Hunter (top L), son Hunter (bottom L), widow Hallie, Vice President Joe Biden, daughter Natalie and stepmother Jill Biden.

Vice President Joe Biden

Vice President Joe Biden arrives with his family for a mass of Christian burial at St. Anthony of Padua Church for his son, former Delaware Attorney General Beau Biden, in Wilmington, Delaware, June 6, 2015.

St. Anthony of Padua Church

A procession carrying the casket of former Delaware Attorney General Beau Biden, son of Vice President Joe Biden, enters St. Anthony of Padua Church in Wilmington, Del., June 6, 2015.

Vice President Joe Biden

Vice President Joe Biden arrives at the funeral of his son, former Delaware Attorney General Beau Biden, at St. Anthony of Padua church in Wilmington, Del., June 6, 2015.

Memorial

The casket of former Delaware Attorney General Beau Biden, son of Vice President Joe Biden, arrives at his funeral in St. Anthony of Padua church in Wilmington, Delaware June 6, 2015.

President Barack Obama

President Barack Obama arrives at the funeral of former Delaware Attorney General Beau Biden, son of Vice President Joe Biden, at St. Anthony of Padua Church in Wilmington, Del., June 5, 2015.

Color guard & flag

A member of a U.S. military color guard holds the flag from the casket during the funeral of former Delaware Attorney General Beau Biden, son of Vice President Joe Biden, at St. Anthony of Padua church in Wilimington, Delaware, June 6, 2015.

Vice President Joe Biden

Vice President Joe Biden attends the funeral of his son, former Delaware Attorney General Beau Biden at St. Anthony of Padua Church in Wilmington, Delaware June 6, 2015.

Obama delivers eulogy

President Barack Obama pauses as he delivers the eulogy during the funeral of former Delaware Attorney General Beau Biden, son of Vice President Joe Biden, at St. Anthony of Padua church in Wilmington, Delaware June 6, 2015.

President Barack Obama

President Barack Obama delivers the eulogy during the funeral of former Delaware Attorney General Beau Biden, son of Vice President Joe Biden, at St. Anthony of Padua church in Wilmington, Del., June 6, 2015.

Obama & Biden

U.S. President Barack Obama (R) hugs Vice President Joe Biden during the funeral of Biden's son, Beau, at St. Anthony of Padua Church in Wilmington, Delaware June 6, 2015.

Obama & Biden

U.S. President Barack Obama kisses Vice President Joe Biden on the cheek after delivering the eulogy during the funeral of Biden's son, former Delaware Attorney General Beau Biden, at St. Anthony of Padua church in Wilimington, Delaware, June 6, 2015.

Beau Biden's nieces

Vice President Joe Biden's granddaughters participate in a reading during the funeral service for their uncle, Beau Biden, at St. Anthony of Padua Roman Catholic Church in Wilmington, Delaware, Saturday, June 6, 2015.

Beau Biden

The casket of former Delaware Attorney General Beau Biden, son of Vice President Joe Biden, is seen at the front of St. Anthony of Padua church during his funeral in Wilmington, Delaware June 6, 2015.

Chris Martin

Chris Martin, of the band Coldplay, sings "Til' Kingdom Come" during the funeral of former Delaware Attorney General Beau Biden, son of Vice President Joe Biden, at St. Anthony of Padua church in Wilmington, Delaware June 6, 2015.

Hillary Clinton

Democratic presidential candidate Hillary Clinton and White House Chief of Staff Denis McDonough (right) attend the funeral of former Delaware Attorney General Beau Biden, son of Vice President Biden, at St. Anthony of Padua church in Wilmington, Del., June 6, 2015.

President Bill Clinton

Former President Bill Clinton watches as the casket of former Delaware Attorney General Beau Biden, son of Vice President Biden, is taken from St. Anthony of Padua church in Wilmington, Delaware June 6, 2015.

The Bidens

Vice President Joe Biden and his wife Jill leave following the funeral for former Delaware Attorney General Beau Biden, son of Vice President Joe Biden, at St. Anthony of Padua Church in Wilmington, Delaware, June 6, 2015.

St. Anthony of Padua Church

A procession carrying the casket leaves the church after the funeral of former Delaware Attorney General Beau Biden, son of Vice President Joe Biden, at St. Anthony of Padua Church in Wilmington, Delaware, June 6, 2015.

Farewell

A military honor guard carries the casket of former Delaware Attorney General Beau Biden, son of Vice President Joe Biden, following a funeral mass at St. Anthony of Padua Church in Wilmington, Del., June 6, 2015.