One that we know of maybe more.
1 Cor 9:5 Have we not power to lead about a sister , a wife, as well as other apostles, and as the brethren of the Lord, and Cephas?
KJV
Mark 1:29-30 And forthwith, when they were come out of the synagogue, they entered into the house of Simon and Andrew, with James and John. 30 But Simon's wife's mother lay sick of a fever, and anon they tell him of her.