You marry them (to each other)

You and your Wife retire to the room that has been prepared for you, It was Trex's room before She went off to war. There was no room for Sarah so she was given her own room for the nigh. You have just got your stuff set up when there is a knock on the door. It is Sir David, no, Lord Rain now.

"My king, I have come to ask that you will perform a marriage ceremony between Iskierka and me. She has informed me that my victory over her gives me right over her body. She is beautiful and I will need a wife to bare me heirs to my newly gained lands but also a guide in this the strange ways of my subjects. Iskierka meets all requirements. I just need someone with the knowledge and power to marry us in accordance to the laws of our land. You are the only one who meets this description, Will you help me? " David asked

"I would be honoured, Lord Rain." You reply.

The ceremony was quick and simple. Afterwards, you retire back to your room. You have just started to undress your wife when there is another knock at the door.