Complex sentence: In 1949, the US jurist Otto Schoenrich gave the Venezuelan government the Memorandum of Severo Mallet-Prevost (Official Secretary of the U.S./Venezuela delegation in the Tribunal of Arbitration), written in 1944 to be published only after Mallet-Prevost's death.
Split into simpler sentences: In 1949, the US jurist Otto Schoenrich gave the Venezuelan government a memorandum written Severo Mallet-Prevost, the Official Secretary of the U.S./Venezuela delegation in the Tribunal of Arbitration. This document was written in 1944 to be published only after Mallet-Prevost's death.