Labrador's sister

No,Labrador don't have a sister...Labrador was the grandson of the Head of the Krat Family.But his grandfather adopted Labrador's friend Lem and his younger sister Lirin.
The three of them were close friends, and Lirin کہا that she would marry Labrador when she was older. But Lirin was a sickly child, often falling sick,and die.