Crossword clues for Relatives by marriage. 8 letters:STEPSONSRelatives by marriage.SNINLAWSBelonging to a relative by marriageSTEPAUNTRelative acquired by a second marriageINLAWAcquired-by-marriage relativeNUPTIALMarriage-relatedSPOUSALMarriage-relatedBIGAMYMarriage-related crimeINLAWA relative by marriage.SIRANTHONYRelative-by-marriage of 3 Down.STEPSONRelative by marriage.AFFINALRelated by marriageSTEPDADRelative by marriageSTEPSISCertain relative-by-marriage, familiarlyAFFINEPerson related by marriageINLAWRelative by marriageINLAWRelative through marriageAFFINERelative by marriageINLAWSRelatives by marriageINLAWRelative via marriageINLAWRelation by marriageINLAWRelated by marriage: Colloq.STEPSONRelative through marriageSTEPBROTHERRelative by marriageINLAWMarriage-created relativeINLAWSRelatives gained through marriageINLAWSRelatives acquired by marriageKINDREDRelated by blood or marriage