He says “mother had two brothers and two sisters that moved to Iowa to live”. The brothers were our Hiram and Ira who left Canada in 1849. There were actually three sisters --- Edith & Ezra Benedict, Charlotte & James White and Laura & Joseph Slack. All appear in the 1850 census in Lee Co., Iowa. Sisters Polly and Hannah both died about 1846-47 so were dead by the time the other families left Leeds Co. And sister Susan Fraser had stayed in NY