Complex sentence: Shearer was born in Toronto, Canada in 1912, daughter of Constance and John Porter Shearer, before being raised in who moved to Nyack, New York when she was a small child.
Split into simpler sentences: Shearer was born in Toronto, Canada in 1912, daughter of Constance and John Porter Shearer. Her family moved to Nyack, New York when she was a small child.