Searching for Henry Joseph Cokayne Frith Fm Belgium

I am looking for family info on the following individuals
Henry Joseph Cokayne
Henry Joseph Cokayne-Frith
Born July 4 1862 Brussels Belgium
Immigrated about 1880-1889

Louisa Brandler
Louise B Cokayne
Born in 1860 Germany
Immigrated about 1880's
Married Henry J Cokayne in Colorado after immigration

Sarah Irene McDermott
Sarah I Cokayne
Born Feb 13 1887 in Montpelier Idaho.

Henry Cokayne settled in Denver Colorado

Thank you
Harold L Cokayne (Grandson)