Neil did not convert to Christianity. He is still of the Jewsih faith. His second wife, Marcia is Christian. now his 2nd ex-wife. His first wife, Jaye is of Jewish faith and still is, his first ex-wife.
No. He had a daughter Selena with his common-law wife, but his daughter died in a car accident; his wife also died (of cancer). Neil later remarried, and he has one daughter (Olivia) with his current wife.