Complex sentence: Beatrice of Bourbon (1320--23 December 1383) was a French noblewoman member of the House of Bourbon and by marriage Queen of Bohemia and Countess of Luxembourg.
Split into simpler sentences: Beatrice of Bourbon (1320--23 December 1383) was a French noblewoman. A member of the House of Bourbon, she was by marriage Queen of Bohemia and Countess of Luxembourg.