Complex sentence: The house, likely built in 1843, had been Burles' family home for some 44 years, and he was at the time of its donation living with his daughter after the death of his wife the previous December.
Split into simpler sentences: The house, likely built in 1843, had been Burles' family home for some 44 years. He was at the time of its donation living with his daughter after the death of his wife the previous December.