compassionate; gentle; merciful; kind; humane

strict and compassionate; strict as a father and tender as a mother

Your esteemed mother (honorific)

(literary) my late mother

Song Ci (1186–1249), author of "Collected Cases of Injustice Rectified" 洗冤集錄|洗冤集录[Xi3 yuan1 Ji2 lu4] (1247), said to be the world's first forensic science text