Complex sentence: They married in Seattle, Washington on June 20,1946 and had two sons, Brian Patrick Herbert (b. June 29,1947, Seattle, Washington) and Bruce Calvin Herbert (b. June 26,1951, Santa Rosa, California).
Split into simpler sentences: They married in Seattle, Washington on June 20,1946. They had two sons, Brian Patrick Herbert (b. June 29,1947, Seattle, Washington) and Bruce Calvin Herbert (b. June 26,1951, Santa Rosa, California).