From the cross, to whom did Jesus entrust his mother?

Answer: The disciple whom he loved

Jesus told his mother, "Here is your son," and from that hour the disciple whom he loved took her into his home.

“When Jesus saw His mother and the disciple whom He loved standing nearby, He said to His mother, “Woman, here is your son.” Then He said to the disciple, “Here is your mother.” So from that hour, this disciple took her into his home.”— John 19:26-27 (BSB)