To legally become the parent of someone else's child
MOTHER-IN-LAW
The father of your husband or wife
SON-IN-LAW
The brother of your husband/wife
TO FOSTER
To look after a child from an early age
The parents of your husband or wife
The mother of your husband or wife
DAUGHTER-IN-LAW
The sister of your husband/wife
BROTHER-IN-LAW
To physically have a baby
FATHER-IN-LAW
The wife of your child
TO GIVE BIRTH / TO DELIVER A CHILD
The husband of your child
SISTER-IN-LAW
TO ADOPT
TO RISE / TO BRING UP
To look after someone else's child for a period of time but without becoming their legal guardian of the child
PARENTS-IN-LAW