Board Thread:Theories and Speculation/@comment-31099706-20170510101001/@comment-26424744-20170511044320

Momoshiki and Kinshiki were representatives of the Ohtsutsuki-clan sent to Earth. We know from Boruto: Naruto the Movie's novel that there are many Ohtsutsuki throughout the universe and various realms.

If Kaguya was the Princess then there should be a King and Queen, possibly a Prince too.