what should slick's middle and last name be?and is he royalty 或者 not?

he was abandoned as a kid and was found 由 his sister Cristena.he is brother and sister with crystal(amy_rose12)his grandpa was apperently named slick as well and was married to crystal then somehow crystal and slick now ended up here now as bro and sis.slick had 3 parents the hedgehog left after the threesome and the cat and 狐狸 stayed together and soon released slick.he doesn't know of his last 或者 middle name.he suspects the hedgehog was a desendent of slick and crystal in the past.danny showed him and crystal this and then they found out they were bro and sis.and that crystal and slick in the past were farmers.he is now married to moonlight(LunaAcores94)now what name should he be 4 middle and last???and is he royalty 或者 not???