Complex sentence: Born in Buenos Aires, Carlos Saavedra Lamas (November 1,1878--May 5,1959) was a descendant of an early Argentine patriot, he married the daughter of president Roque Sáenz Peña.
Split into simpler sentences: Born in Buenos Aires, Saavedra Lamas was a descendant of an early Argentine patriot. He married the daughter of president Roque Sáenz Peña.