Thomas Boone "Ty" Pickens IV

This image taken from Facebook shows Thomas Boone Pickens IV (left), who went by Ty. Police and a spokesperson said that Ty, who is the grandson of oil tycoon T. Boone Pickens,died on Jan. 29, 2013, after being rushed to a hospital in Fort Worth, Texas.

This image taken from Facebook shows Thomas Boone Pickens IV, who went by Ty. Police and a spokesperson said that Ty, who is the grandson of oil tycoon T. Boone Pickens,died on Jan. 29, 2013, after being rushed to a hospital in Fort Worth, Texas.

A photograph of Thomas Boone Pickens IV, who went by Ty. Police and a spokesperson said that Ty, who is the grandson of oil tycoon T. Boone Pickens,died on Jan. 29, 2013, after being rushed to a hospital in Fort Worth, Texas.

This image taken from Facebook shows Thomas Boone Pickens IV, who went by Ty. Police and a spokesperson said that Ty, who is the grandson of oil tycoon T. Boone Pickens,died on Jan. 29, 2013, after being rushed to a hospital in Fort Worth, Texas.

T. Boone Pickens appears on "CBS This Morning," Aug. 23, 2012. He is the grandfather of Thomas Boone Pickens IV, who also went by the name Ty. Ty Pickens died on Jan. 29, 2013, after being rushed to a hospital in Fort Worth, Texas.

BP Capitol Chairman & CEO T. Boone Pickens answers questions during an economic conference, Tuesday, Sept. 27, 2011, in San Antonio, Texas. He is the grandfather of Thomas Boone Pickens IV, who also went by the name Ty. Ty Pickens died on Jan. 29, 2013, after being rushed to a hospital in Fort Worth, Texas.