http://www.carm.org/questions/2geneologies.htm
CHRISTIAN APOLOGETICS & RESEARCH MINISTRY
"Both Matthew 1 and Luke 3 contain genealogies of Jesus. But there is one problem. They are different. Luke's Genealogy starts at Adam and goes to David. Matthew's Genealogy starts at Abraham and goes to David. When the genealogies arrive at David, they split with David's sons: Nathan (Mary's side) and Solomon (Joseph's side).
There is no discrepancy because one genealogy is for Mary and the other is for Joseph. It was customary to mention the genealogy through the father even though it was clearly known that it was through Mary....
Some critics may not accept this explanation no matter what reasoning is produced. Nevertheless, they should first realize that the Bible should be interpreted in the context of its literary style, culture, and history. Breaking up genealogies into male and female representations was acceptable in the ancient Near East culture since it was often impolite to speak of women without proper conditions being met: male presence, etc. Therefore, one genealogy is of Mary and the other of Joseph, even though both mention Joseph. In other words, the Mary was counted "in" Joseph and under his headship."..
BB continues:
There were always exceptions to clear cut rules of inheritance in Israel...
For instance...
Numbers 27:1 Then came the daughters of Zelophehad, the son of Hepher, the son of Gilead, the son of Machir, the son of Manasseh, of the families of Manasseh the son of Joseph: and these are the names of his daughters; Mahlah, Noah, and Hoglah, and Milcah, and Tirzah.
Numbers 27:2 And they stood before Moses, and before Eleazar the priest, and before the princes and all the congregation, by the door of the tabernacle of the congregation, saying,
Numbers 27:4
Why should the name of our father be done away from among his family, because he hath no son? Give unto us therefore a possession among the brethren of our father.
Numbers 27:3 Our father died in the wilderness, and he was not in the company of them that gathered themselves together against the LORD in the company of Korah;
but died in his own sin, and had no sons.
Numbers 27:4 Why should the name of our father be done away from among his family, because he hath no son?
Give unto us therefore a possession among the brethren of our father.
Numbers 27:5 And Moses brought their cause before the LORD.
Numbers 27:6 And the LORD spake unto Moses, saying,
Numbers 27:7 The daughters of Zelophehad speak right: thou shalt surely give them a possession of an inheritance among their father's brethren; and thou shalt cause the inheritance of their father to pass unto them.
No explanation will ever be satisfactory for the lost souls who's only purpose for being here is to try to cast dispersions on our bible and the God who authored it.
Apostates, skeptics, cultists, atheists, promoters of homosexuality, fornication, abortion, drug abuse etc. are driven by their father to do these this even though they may or may not be aware of it.
John 8:44
Ye are of your father the devil, and the lusts of your father ye will do. He was a murderer from the beginning, and abode not in the truth, because there is no truth in him.
When he speaketh a lie, he speaketh of his own: for he is a liar, and the father of it.
