My adult sisters and brother want to kick me and my wife out of the house. What can I do?

Me and my wife are caregivers for dad he had a stroke 5 years ago. The doctor had said to take him home let him die but my husband Sal takes good care of him. I help also. Now every year he is still alive the adult siblings are haters never help but then they want to throw us in the streets what can I do? Help california