A family with two mothers, one daughter, and one son.
The Family: Woman, Woman, Girl, Boy emoji is a ZWJ sequence combining ? Woman, Zero Width Joiner, ? Girl and ? Boy. These display as a single emoji on supported platforms.
Family: Woman, Woman, Girl, Boy was added to Emoji 2.0 in 2015.
U+1F469
U+200D
U+1F469
U+200D
U+1F467
U+200D
U+1F466
???? Woman
???? Zero width joiner
???? Woman
???? Zero width joiner
???? Girl
???? Zero width joiner
???? Boy