The "👨🏾‍👩🏾‍👦🏾‍👦🏾" or "Family - Man: Medium-Dark Skin Tone, Woman: Medium-Dark Skin Tone, Boy: Medium-Dark Skin Tone, Boy: Medium-Dark Skin Tone" emote represents a family consisting of a man with medium-dark skin tone, a woman with medium-dark skin tone, and two boys with medium-dark skin tone.