Percabeth:

Sally: Oldest, Kind, Wise, has small control over water but isn't very good at it, funny like Percy, long curly black hair, gray eyes, like a mini Annabeth for personality wise
Gabriella: middle child, funny, jokes a lot, has large control over water but is not very good with being wise, Curly blond hair, sea green eyes, like a mini Percy for personality wise
Bob(called Bobby by most): youngest child, funny, very wise, has large amount of control over water, short blond hair with sea green eyes, personality is like Percy and Annabeth combined

Jiper/Jasper (some people have two versions something tho):

Owen: Oldest child, kind, sweet, has very good charmspeak, can levitate off the ground a little bit, deep chocolate hair with electric blue eyes, has personality like Piper
Angelica: Younger child, funny, likes to be leader, nice, has okay charmspeak, can fly very well and high, blond hair with light brown highlights and is straight, brown eyes, personality like Jason

Frazel:

Marie: Only child, kind hearted, inherited shape shifting from Frank, can make gems appear out of the ground but not as easily as shape shifting, dark brown hair that is slightly wavy, golden eyes, personality like Hazel and Frank combined

Caleo:

Leo Jr: ...

JK SCREW THAT GUYS LOL BUT THATS WHAT LEO WANTED

Caleo:

Lexie: Oldest, Kind, pretty, makes some jokes, can use fire slightly but no very well at all, wavy darkish caramel hair, brown eyes, personality more like Calypso
Callie: Younger child, pretty, kind, slightly elvish features very slightly, makes a lot of jokes and has a big sense of humor, is very good at using fire, Curly dark brown hair, brown eyes, personality more like Leo

Hope you guys liked it!! Please please please give me more ideas for this!!!