This is just kinda what the children look like.
Marlene Evelyn Black-Potter:
Named after a good friend of Lily Evans and oc twin of Regulus Black/her aunt
Long Black Hair
Grey Eyes
Tall
Has a tan from going outside
Dorcas Opal Black-Potter
Named after good friends of Lilys
Long Black Hair
Grey Eyes
Pale since she doesn't go out as much as Marlene
Alice Mary Potter
Also Named after two close friends to the Potters.
Long Red Hair
Brown eyes
Jacob Newt Potter
Named after Newt Scamander and his nomaj friend Jacob.
Light Brownish Hair
Hazel Eyes
Fleamont Evan Potter
Named after his Grandfather and partially his Mother's Maiden name
Black Hair
Hazel eyes