Hi again, Kendo.
5d. means "reluctant" 3-letter Biblical patriarch (auction item!) + 1-letter abbreviation for Henry.
13ac. Anag of "sung" = birds. Flanders and Swann had a song "I'm a ...."
Al
I'm all done, however with a suspect Reefer for 4 down. I can see the "joint" part of the clue but I can't tie in "Snotty". Any one able to clear this one up for me?