I'll let you know one thing-I don't have a V5 yet.
BUT from what I've learned about them, the good families are:
Mametchi Family
Memetchi Family
Kuchipatchi Family
Violetchi (Furwatchi) Family
The not so good families are:
Gozarutchi (Ninja character) Family
Large Family
Petite Family
Each family has a few characters in it, and the characters all kind of have the same look (for example: Mametchi Family members all have a resemblance to Mametchi) . There is a chart somewhere on TamaTalk, but I unfortunately forgot where it was .