No scriptural basis for it being required - right.
No one is required to join the priesthood - it is voluntary.
Mat_8:14 And when Jesus was come into Peter’s house, he saw his wife’s mother laid, and sick of a fever.
Mar_1:30 But Simon’s wife’s mother lay sick of a fever, and anon they tell him of her.
Luk_4:38 And he arose out of the synagogue, and entered into Simon’s house. And Simon’s wife’s mother was taken with a great fever; and they besought him for her.
And no prohibition to be married.