What does 四世同堂 (sìshì tóng táng) mean in English?

Card 143NPCR Level 58143/155
CARD143
PROGRESS92%
四世同堂
sìshì tóng táng
four generations under one roof

Reveal: Click/Space/Enter/↑↓/w/s/j/kNavigate: ←→/h/l/a/d