Complex sentence: After a failed attempt in 1921 to convince the Soviet Foreign minister to repatriate Assyrians to Urmia and Salamis, he married in 1922, had two children en was imprisoned again in 1924 under the accusation of being "a fanatic Assyrian nationalist".
Split into simpler sentences: After a failed attempt in 1921 to convince the Soviet Foreign minister to repatriate Assyrians to Urmia and Salamis, he married in 1922, and subsequently had two children. He was imprisoned again in 1924 under the accusation of being "a fanatic Assyrian nationalist".