Are the marriages of the disbelievers regarded as valid for them and are the children to be attributed to them?

Her father rejected the suitor because he has a beard, and she has no other guardian

Could he be a wali (guardian) to the daughter of his wife who was born as a result of an illegitimate relationship?

Stipulating the presence of a guardian (wali) in a misyaar marriage

Ruling on forfeiting the right to inheritance in a misyaar marriage

A new Muslimah has married a Muslim man without her family’s knowledge

Is it correct for the husband’s father to be a witness to his marriage contract?

Her parents want her to marry her paternal cousin and are rejecting a suitor who is not family

They committed zina then got married, and they cannot remember if they repented before doing the marriage contract or not; do they have to do a new marriage contract?

Should he get married without his father’s approval?