They were supposed to have had a daughter anyway, post-M01 epilogue, when the producers were still skeptical of the anime’s popularity and wasn’t planning for the Orange Islands and beyond.
The girl was pink-haired though. Supposedly, her name was Jyuri, after the singer who would’ve voiced her. Obviously she doesn’t exist now since the anime got reaaally popular and ran over Nteen-something years.
No, that’s not Misty being a lesbian mom. That blue-haired woman’s like a one-off minor character, who didn’t even get a name in Japanese and is called “Voyager”. She’s still in the movie.