Sì Rèn 四任

Four Ren, a group from Zhejiang and Shanghai from the end of the Qing Dynasty, consisting of Ren Xiong 任熊, Ren Xun 任薰, Ren Yi 任颐, Ren Yu 任预.

Yuán sìjiā 元四家

Or Yuán sì dàjiā 元四大家 Four masters of the Yuan dynasty, group consisting of Huang Gongwang (1269-1354), Wu Zhen (1280-1354), Ni Zan (1301-1374), and Wang Meng (1308-1385).