Simplify the following text for a Grade 8 native English-speaking person.
Original: Even her widowed first cousin Monseigneur , the Dauphin of France , was considered , as were his son , Louis de France , and another cousin , the legitimised Louis-Auguste de Bourbon , Duke of Maine , eldest son of Louis XIV and Madame de Montespan .
Simplified: Another was Louis Auguste de Bourbon , Duke of Maine , eldest son of Louis XIV and Madame de Montespan .