Complex sentence: With his financial support, d’Holbach attended the Leiden University from 1744 to 1748 and went on to marry his second cousin, Basile-Geneviève d'Aine (1728--1754), on 11 December 1750.
Split into simpler sentences: With his financial support, d’Holbach attended the Leiden University from 1744 to 1748. Later he went on to marry his second cousin, Basile-Geneviève d'Aine (1728--1754), on 11 December 1750.