Possible Clues:

• Pop, e.g.
• That's what 27 across has been doing
• It's not 34 across that tore one
• Be out of breath round about for father
• Father split his responsibility as a dad
• People initially are not one with children
• Household head
• The 'P' in P.T.A.
• Block ____ (Child safety volunteer)
• Many a Little League rooter