youngest
eldest
lastborn
pretween
baby of the family
second cousin
oldest
sister
paternal cousin
tacker
half-cousin
kindred
nibbling
baby
sibset
feely
grandchild
girl
only son
subteen
maternal cousin
crib midget
sesquiple cousin
Medici
irregular double cousin
half blood
titch
fullsib
crib lizard
only child
small fry
catworm
kinder
uterine sibling
b
youngfolk
family grouping
co-aunt
irregular double first cousin
runt
grandson
sesquiple first cousin
juvenile
little girl
interparental
half sister
pretoddler
halfling
great-grandchild
brood
little boy
interfamily
shaver
interfamilially
runt of the litter
first cousin once removed
cognati
half-uncle
pigeon pair
brother
brother german
half niece
half-first cousin
adult third culture kid
⠡⠝
brat
intersibling
cousin
moppetry
nullius filius
twinsome
littlie
niece
young'un
fruit of one's loins
filioparental
family of orientation
kipper
tiny
polyfamily
second cousin once removed
third cousin
uncle
small
great-niece
grandniece