Complex sentence: They started an affair in 1944 when her husband was away and working overseas for the US government, and she divorced Chisholm on December 11,1944 and moved into an Upper East Side townhouse in Manhattan that she shared with art patron Peggy Guggenheim.
Split into simpler sentences: They started an affair in 1944 when her husband was away and working overseas for the US government. She divorced Chisholm on December 11,1944 and moved into an Upper East Side townhouse in Manhattan that she shared with art patron Peggy Guggenheim.