Joseph Dutech came to California from France around 1850. He and his wife Christine Rosalie Unal (also of France) were the parents of Ernest Dutech, father of Lucille Ernestine Dutech (married Kinney), my grandmother. Associated surnames in France: Ducos, Tournemire. The genealogy of Rena Rutan, wife of Ernest Dutech, has been traced to around 1800. Her father, Peter Rutan, was the son of Cornelius Rutan and Catherine Van Alen/Valen of NY.
Peter Rutan pdf (ca. 1828) - 3 Generations Chart