Child 1: Boy
Jefferson Archer nn 'Jeff': Eh, not my style but not awful.
Child 2: Girl
Dalia Jane nn 'Lia': I like it!
Child 3: Girl
Emerson Caroline nn 'Emmy': Not really a fan; don't particularly like Emerson for a boy OR girl, and the two 3-syllables would sound clunky with my 3-syllable surname.
Child 4: Girl
Reinette Emmeline nn 'Nettie': I LOVE Emmeline, but Reinette... if I was going to use a name with 'Rein' in it, I'd use 'Rain' or 'Raina'.
Jefferson, Dalia, Emerson & Reinette, however, is an awesome sibset.