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Louis succeeded his father in 1450. He was the second of the three famous rich dukes who reigned in Bavaria-Landshut in the 15th century. Their residence was Trausnitz Castle in Landshut, a fortification which attained enormous dimensions.
The wedding of his son George with the Polish princess Hedwig Jagiellon in 1475 was celebrated in Landshut with one of the most splendid festivals of the Middle Age.