The Prince paternity controversies have begun — with a prisoner in Colorado filing the first claim following the music legend’s death. Carlin Q. Williams, who is behind bars at a “supermax” prison for firearm possession, filed a paternity claim Monday stating he is Prince’s “sole surviving legal heir,” according to court records. The claim requests a DNA test to prove Williams is the son of the Purple One. According to the claim, William’s mother Marsha Henson said she met Prince in the Crown Center Hotel lobby in Kansas City, Mo. in July 1976. The two “drank wine” before having unprotected sex in a room there, court papers say. Henson gave birth to…