Possible Clues:

• A quiet member of the family, that's evident
• Obvious a mother or father is under pressure
• Plain to see
• Visible, person initially adopted by a mum or dad
• Dad's put up with mum -- perhaps it's obvious
• A quiet father is conspicuous
• Dad backing mum perhaps is obvious
• Clear father turned up with mother, say
• Programme is on a lease — that’s clear
• A quiet relation, that's obvious