Complex sentence: He furnished him in the first place with some interesting information about the artillery; he pretended that he got his information from Major Henry, who had been his comrade in the French military counter-intelligence section of the War Ministry, in 1876.
Split into simpler sentences: He furnished him in the first place with some interesting information about the artillery. He pretended that he got his information from Major Henry, who had been his comrade in the French military counter-intelligence section of the War Ministry, in 1876.