Complex sentence: After a takeover bid by J.P. Morgan Jr., son of financier J.P. Morgan, Marland Oil Co. eventually merged with Continental Oil Co. (Conoco) in the late 1920s, and was known as Conoco for more than 70 years.
Split into simpler sentences: After a takeover bid by J.P. Morgan Jr., son of financier J.P. Morgan, Marland Oil Co. merged with Continental Oil Co. (Conoco) in the late 1920s. It was known as Conoco for more than 70 years.