Complex sentence: He managed to purchase a hundred acres of farmland, where he and his wife, the former May Haley (1890-1975), raised their three children., Mary Elizabeth, J. O., Jr., and Gene.
Split into simpler sentences: He managed to purchase a hundred acres of farmland, where he and his wife, the former May Haley (1890-1975), raised their three children. That first 100-acre farm is where J. O. and May Walker began rearing their three children, Mary Elizabeth, J. O., Jr., and Gene.