Cousin Extravaganza

As part of his goodwill campaign, Monkey has enjoyed a parade of cousin activity lately. His paparazzi kindly provided the following:

Mrs. Z's Cousin A and her daughter, H

Mrs. Z's Cousin A and her new son, D
(why are they nearly the same size??)

Mrs. Z's Hard to Capture on Film Cousin C

Mr. Z's Aunt K and her grandson, L

L's mom, Mr. Z's Cousin A

(yes, same name as Mrs. Z's Cousin A)