Sisyphus.
Either Poseidon or of Glaucus the son of Sisyphus.
He got to marry King Iobates's second daughter Philonoe. see link
The lady Philonoe bore him Isander,Hippolochus and Laodamia, who lay with Zeus the Counselor and bore Sarpedon but was slain by Artemis.
Your Grand father's Grandfather5's Grandfather's Grandfather's Grandfather's Grandfather's Grandfather's Great Grandfather created History.
The term is hyphenated, as great-great-grandfather(grandfather's grandfather).
The singular possessive form of the word "grandfather" is "grandfather's."
Your great great grandfather.
Your grandfather's father is your great grandfather.
Your grandfather's father is your great grandfather.
Your father's grandfather is your great grandfather.
Your grandfather's father is your great grandfather.
Grandfather in Kikuyu is "Jiin" for paternal grandfather and "Njeri" for maternal grandfather.