Complex sentence: The Wings of Deliverance was a Christian organization that was supportive of Jones' commitment to social justice for people of all races, many of the members were formerly of the Laurel Street Tabernacle.
Split into simpler sentences: The Wings of Deliverance was a Christian organization that was supportive of Jones' commitment to social justice for people of all races. Many of the members were formerly of the Laurel Street Tabernacle.