In most US states, this would technically be legal.
Everywhere in the universe, however, it would almost certainly be a spectacularly bad idea. If a girl at 18 has "a lot in common" with a 46 year old, it's a good bet that she won't when she's 28 and he's 56. (Any 46 year old with "a lot in common" with an 18 year old is probably grossly immature... she'll likely grow out of being immature, but he's pretty much already missed that particular train.)
Common Law legal system
There may be no actual relationship. Only if you share a common ancestor is there going to be a legal connection. If there is, they would be a fourth cousin.
The most common legal remedy is money damages.
No, common law marriage is not legal in Maryland.
No it is not legal. But my friends do it and they do not get in trouble.
No, common law marriage is not recognized as legal in Arizona.
No, common law marriage is not recognized as legal in Massachusetts.
No, common law marriage is not recognized as legal in Michigan.
No. The Bailiwick of Jersey is a British Crown Dependancy. Jersey currency is not Legal Tender in Great Britain, however, British businesses can accept the Jersey currency if they wish. British, Guernsey and Scottish currency is Legal Tender in Jersey.
Common questions about court proceedings and legal processes include: What is the purpose of a court hearing? How does the legal system work? What are the steps involved in a trial? What are the rights of the accused? How does evidence play a role in court proceedings? What is the role of a judge and jury? How are decisions made in a court case? What are the possible outcomes of a legal proceeding? How can someone access legal representation? What are the consequences of not following court orders?
No. If you have a legal common law marriage it must be dissolved by a divorce.No. If you have a legal common law marriage it must be dissolved by a divorce.No. If you have a legal common law marriage it must be dissolved by a divorce.No. If you have a legal common law marriage it must be dissolved by a divorce.
There would be no legal impediment provided that was the only common ancestor. I presume as they do not also share the same great grandmother that the great grandfather had children by two women.