Glen Kohler was the home of Cordelia Araline Kohler. It was located in Hays Canyon on Thorn Road. She was the widow of Andrew Kohler of Kohler & Chase.
Morgan - There is a page for Cordelia https://localwiki.org/oakland/C.A._Kohler
Her middle name is Arbbine per this https://www.genealogy.com/forum/surnames/topics/coffin/665/
(2nd) Cordelia Arabbine Coffin b. 1 June 1818; d. Nov 27 , 1894; m. Andrew Kohler, and removed to California.
(3rd) daughter d. at 5 years.