He was raised as a legitimate son and knighted using his father's arms.

She gave him the following three legitimate sons and one daughter:

At least he should lose no time in marrying and getting himself some legitimate sons.

If I'd been his legitimate son he couldn't have done more for me.

Although William was married thrice, but all the times without legitimate son.

The youngest of them became his only legitimate son, Wenceslaus.

A pity his legitimate sons are all dead, isn't it?

Nobody knew of this and thought he was the legitimate son.

He never forgave me either, for being the one of us two legitimate sons that lived.

So your brother has a legitimate son, but is seeking again for a wife.