WDYTYA?: Smokey Robinson

This Sunday’s episode of Who Do You Think You Are? (WDYTYA) traces the family of Motown icon Smokey Robinson.
From TLC:
Smokey Robinson dives into his late mother’s family history. He searches for answers behind the mystery of why his grandfather disappeared from his children’s lives, and finds a man tangled in a swirl of controversy. Then Smokey uncovers the story of his great-grandfather, and comes face to face with horrific history he knew was inevitable.