A Cyclopaedia of Female Biography/Tibergeau, Marchioness de
TIBERGEAU, MARCHIONESS DE,
Was sister of the Marquis de Phisieulx, and the beloved niece of Rochefoucauld, author of the celebrated "Maxims." Her maiden name was Sillery. She early showed a decided inclination for poetry. It was to Mademoiselle de Sillery that La Fontaine addressed several fables, and of her he spoke when he said,
"Qui dit Sillery, dit tout."
She married the Marquis de Tibergeau, and continued till her death the constant friend and protector of literary men. She encouraged Destouches in writing for the theatre, and induced M. Phisieulx to take him for his secretary when he went as ambassador to Sweden. Destouches often consulted Madame de Tibergeau concerning the plans of his different plays. She preserved all her quickness and vivacity to;he last. She died at the age of eighty.