Who Are the Brethren of the House of Eloheim(God)? The True Location of Biblical Israel

Mat 12:48  But he answered and said unto him that told him, Who is my mother? and who are my brethren? 
Mat 12:49  And he stretched forth his hand toward his disciples, and said, Behold my mother and my brethren! 
Mat 12:50  For whosoever shall do the will of my Father which is in heaven, the same is my brother, and sister, and mother.