Complex sentence: In consequence of a high-spirited quarrel with his captain, he was put on shore at Marseilles, where, finding an old friend of his father's in command of a merchant ship, he was able to get a passage to Lisbon and so home.
Split into simpler sentences: In consequence of a high-spirited quarrel with his captain, he was put on shore at Marseilles where he found an old friend of his father's in command of a merchant ship. He was able to get a passage to Lisbon and so home.