Bernard Massier 1897-?

I'm looking for any information on Bernard Massier and 2 sisters.My G-Grandfather was the fourth sibling John Peter Massier b. May 8, 1896 in Tereblestie, Bukovina, Roumania.John Peter emigrated to the US in 1906 and married Leona Anna Ernzen on Oct. 19, 1920.John and Leona moved to Canada and John became a naturalized Canadian Feb 26, 1926, date unknown for Leona. John died in Hamilton, Ontario, Canada in 1964 and Leona died in Winnipeg, Manitoba, Canada in Jan 1996.