Answer: stepdad

AnswerCrossword Clue
STEPDAD

Mike, to Marcia, Jan, and Cindy

STEPDAD

New parent, maybe

STEPDAD

Blended-family parent

STEPDAD
Mike Brady, to Carol's girls
STEPDAD
Onassis, to JFK, Jr.
STEPDADNew pop?
STEPDADJay Pritchett, to Manny, on "Modern Family"
STEPDADBlended-family member
STEPDADBlended family member
STEPDADAcquired family member
STEPDADMember of a blended family
STEPDADMike Brady of "The Brady Bunch," e.g.
STEPDADNew old man?
STEPDADPop from a different line
STEPDADEdward Murdstone, to David Copperfield
STEPDADAcquired pop
STEPDADMike Brady, to the girls
STEPDADCyrus Rose vis- -vis Blair Waldorf, on "Gossip Girl"
STEPDADJohnny Cash, to Carlene Carter