Complex sentence: Incorporated in 1887, Beth Israel traces it roots back to 1861, and with a membership comprising 4,500 individuals in nearly 1,400 households, it is San Diego's largest and oldest Jewish congregation.
Split into simpler sentences: Incorporated in 1887, Beth Israel traces it roots back to 1861. With a membership comprising over 3,700 individuals in over 1,250 households, it is San Diego's largest and oldest Jewish congregation.