All sibsets are boy/boy/girl/girl, except the last 2 of course
1 ) Sounds like a [name]Law[/name] Firm
[name]Sullivan[/name], [name]Carter[/name], Courtlyn, [name]Anniston[/name]
2 ) Nature Inspired
[name]Stone[/name], [name]River[/name], [name]Iris[/name], [name]Aspen[/name]
3 ) Their politics are apparent
[name]Frederick[/name], [name]Lincoln[/name], [name]Jacquelyn[/name] (nn [name]Jackie[/name]), [name]Michelle[/name]
4 ) Named for fictional characters
[name]Emmett[/name], [name]Rhett[/name], [name]Matilda[/name], [name]Elena[/name]
5 ) Parents are sports fiends
[name]Brady[/name], [name]Baylor[/name], [name]Peyton[/name] ([name]Peighton[/name]), [name]Reese[/name]
6 ) From mythology
[name]Jasper[/name], [name]Evander[/name], [name]Penelope[/name], [name]Phoebe[/name]
7 ) No more than four letters each
[name]Finn[/name], [name]Theo[/name], [name]Nina[/name], [name]Ivy[/name]
8 ) No fewer than 8 letters each
[name]Benjamin[/name], [name]Nathaniel[/name], [name]Eleonora[/name], [name]Evangeline[/name]
9 ) All boys
[name]Cohen[/name], [name]Ezra[/name], [name]August[/name], [name]Dean[/name]
10 ) All girls
[name]Valerie[/name], [name]Emilia[/name], [name]Eve[/name], [name]Vera[/name]