Ernest Nathan [Wonch] Gurr was my grandfather and father to my mother.After his divorce from her mother he married Winifred Smith [nee Capon].They were married almost 40 years when she died in 1969 and she was the only grandmother I knew on that side of the family.
Although Grandpa was born a Wonch his parents split up shortly after he was born.Frederic Gurr was his stepfather and the other Gurrs you discovered [Edward, Fred, George and Lester] were Grandpa's brothers and my great uncles.He took the Gurr name and used it all his life until 1963 when he had his name legally changed to Gurr.
Uncle Bill [William Albert Smith], who grew up with my mother and her sisters, took on the name Gurr, although I don't think he ever had it legally changed.He served in the Navyas a Gurr.He and his family settled in the San Francisco area in Pacifica.One of his sons was born in nearby Daly City.He remained in Pacifica after his wife divorced him and moved with the children to Florida.He stayed through the end of the 80's.Sometime thereafter he relocated to Redding and remained there for the rest of his life.
As you mentioned, Uncle Bill did have Indian like features, as did his mother [Grandma Winifred], who was born in Wabasha, Minnesota.I assume she may have had Indian in her from her mother's side.
So what information do you have on George Wonch?I know that he was born in Minnesota and that his parents migrated to the Spokane, Washington area where there are also other Wonches.George Wonch died from blood poisoning when Grandpa was a teenager.