The Twitter Twemoji (12.1.3) emoji for "people holding hands" (explicitly not gender-specific) is identical to that of "man and woman holding hands". Hrm. (They do have "person", which is its own non-gendered drawing, just not a pair holding hands.)
https://github.com/twitter/twemoji/blob/master/assets/svg/1f9d1-200d-1f91d-200d-1f9d1.svg ("people holding hands")
https://github.com/twitter/twemoji/blob/master/assets/svg/1f46b.svg ("man and woman holding hands")
The social network of the future: No ads, no corporate surveillance, ethical design, and decentralization! Own your data with Mastodon!