I have no idea what you are talking about.
Yes, His disciples abandoned Him.
His close relatives (cousins) never believed Him, but they didn't abandon Him because they were never with Him. NOWHERE does it say that Mary's "other children" were hiding, because there weren't any.
Nothing you say indicates that Jesus had any brothers or else Mary would have been entrusted to them.
Mark 6:3
"Where did this man get these things?" they asked. "What's this wisdom that has been given him, that he even does miracles! Isn't this the carpenter? Isn't this Mary's son and the brother of James, Joseph, Judas and Simon? Aren't his sisters here with us?" And they took offense at him.
Galatians 1:19
I saw none of the other apostles—only James, the Lord's brother.
Acts 1:12-14
12Then they returned to Jerusalem from the hill called the Mount of Olives, a Sabbath day's walk[a] from the city. 13When they arrived, they went upstairs to the room where they were staying. Those present were Peter, John, James and Andrew; Philip and Thomas, Bartholomew and Matthew; James son of Alphaeus and Simon the Zealot, and Judas son of James. 14They all joined together constantly in prayer, along with the women and Mary the mother of Jesus, and with his brothers.