The family: woman, girl, girl emoji 👩👧👧 describes family of females. One mother with two daughters. On supported platform these all are shown as single emoji.
Note: In 2016 Family: Woman, Girl, Girl emoji was added to Emoji 4.0.
👩👧👧 Family with Mother and Two Daughters
:woman-girl-girl: (Slack)Copy and paste emojiemoji meaningfamily woman girl girl emoji