Complex sentence: Lady Shurley made her last will in 1654, which was admitted to probate in 1657, holding property in both Ireland and Chester, the bulk of which she left to her daughter Penelope, who married Francis Selwyn.
Split into simpler sentences: Lady Shurley made her last will in 1654, which was admitted to probate in 1657. She held property in both Ireland and Chester, the bulk of which she left to her daughter Penelope, who married Francis Selwyn.