Complex sentence: Trevelyan's parents used Welcombe as a winter resort after they inheritied it in 1890, they looked upon Wallington Hall, the Trevelyan family estate in Northumberland as their real home.
Split into simpler sentences: Trevelyan's parents used Welcombe as a winter resort after they inherited it in 1890. They looked upon Wallington Hall, the Trevelyan family estate in Northumberland as their real home.