Jesus Had a Dysfunctional Family

In teaching about the last sayings of Christ on the cross this morning, I noticed that Jesus gave the care of his mother to his trusted disciple John.  Where was his family?  Matthew tells us clearly he had four brothers, and even names them--James, Judas, Simon, and Joseph.  Was it because they were in Jerusalem and the rest were back in Nazareth?  Were the others poor and not able to take her in?  Is this the act of the oldest son?  Were his brothers stepbrothers or halfbrothers?

Or were his brothers just not responsible people?  Were they jealous, angry, spiteful toward Jesus and their own mother for some reason?  Did they feel shame in their small town because of Mary's "surprise" pregnancy?  All this is conjecture, but the fact remains--Jesus had drama in his family.  In one incident in the gospels, recounted at least twice, his family wanted to collect him and take him home during public miracles and teaching.  The text implies they thought he was acting crazy. 

I take great comfort that dysfunctional families are  not necessarily anyone's fault.