Date: unknown
Location: unknown
Back says (in Sara Swire's writing): "Swire family/Grandma Swire/Tante Malke + Husband/Tante Chaike + Husband + 3 children/Two daughters died in concentration camp/Son Boris in Israel/Chaim + wife and two small children/Riva is here/son died in war of '40"
REVISED identification, based on new pictures and family tree info:
Standing, L to R: Mary Vizanski, Chaike Swire Vizanski, Mimichke Vizanski, Chaim Swire's wife, Chaim Swire.
Sitting, L to R: Mary's husband, Chaike's husband, Riva (Chaim's daughter), Rivka Swire, Chaim's son, Malka Swire Halperin, Motel Halperin.