halfling
subteen
titch
grandchild
half-cousin
second cousin
filioparental
nibbling
knee baby
feely
eldest
merparent
infantilism
parental unit
paternal cousin
half-uncle
two
uterine sibling
little girl
second cousin once removed
half blood
little boy
fatherling
grandson
olds
only child
half orphan
youngest
brother german
maternal cousin
sapling
interparental
tacker
irregular double first cousin
sesquiple first cousin
diparental
pretween
third cousin
yappie
growed-up
brother
lastborn
sister
grandkid
oe
grandbairn
blood brother
the apple does not fall far from the tree
family of orientation
twixter
sesquiple cousin
irregular double cousin
baby boy
oldest
half-first cousin
uterine brother
junior
tweenie
great-grandson
cub
parental
Medici
teenager
preteen
crib midget
old
A.
big
dad
catworm
co-parent
mersister
skid
three
coeval
brat
stepbairn
first cousin once removed
pretoddler
contemporary
step
bar mitzvah
paternal half aunt
male sibling
half
nephewly
grown-up
uncle