What would you name a sibling to...?

[name_m]Jakub[/name_m] [name_m]Szymon[/name_m] [name_m]Kazimierz[/name_m] (“Kuba”), [name_m]Dawid[/name_m] [name_m]Krzysztof[/name_m] [name_m]Marcin[/name_m] (“Marci”), [name_m]Tomasz[/name_m] [name_m]Arkadiusz[/name_m] [name_m]Wojciech[/name_m] (“Tommy”) & [name_f]Oliwia[/name_f] [name_f]Agnieszka[/name_f] [name_f]Maria[/name_f] (“Wia”).

Two brothers and a sister for [name_f]Anastasia[/name_f] [name_f]Alexandra[/name_f]?