worm on Family Tree Circles

I am researching my husbands family as he has no contact and on having our children almost 18 years ago they were born with a Mongolian birth mark which is normally Maori heritage but I cannot find that in my search so far. I have only 2 photos as family before me have burnt them. I am desperately wanting information and I would love photos. Elizabeth Eden married Frank Bonnington who had Minnie Bonnington who went on to marry George Selwood, they had a baby Frances annie royce who married Dudley William Best, they had Raymond Dudley (dudley) Best, he married Patricia McKay and had my husband Darren Best. I need the caps filled in with regard to where this birth mark came from and because I am a huge fan on photos I would love something to show my children. Please if anyone has information it would be greatly appreciated.