ट्रिविया

He worked as a psychologist.

Father-in-law of Evan Ross.

Father, with Tina Simpson, of Jessica Simpson and Ashlee Simpson.

Son of Curtis Thaddeus Simpson (1920-1985) and wife Joyce Alice (Adams) Simpson (1921-2001), a distant relative of Al Gore.

Was a Baptist minister at the Heights Baptist Church, Richardson, Texas.

Ex-father-in-law of Nick Lachey and Pete Wentz.

He has an older sister, Sally.

Grandfather of Bronx Mowgli Wentz, Maxwell Drew Johnson, and Ace Knute Johnson.