The Sibsets you know game

Baby Name Games
911

[name_m]Eric[/name_m], [name_f]Mara[/name_f] and [name_f]Ingrid[/name_f]

or

[name_m]Sigmund[/name_m], [name_m]Maghnus[/name_m], and [name_m]Frederick[/name_m]