Blanche of Burgundy

Blanche of Burgundy was Queen of France and Navarre for a few months in 1322 through her marriage to King Charles IV the Fair. The daughter of Count Otto IV of Burgundy and Countess Mahaut of Artois, she was led to a disastrous marriage by her mothers ambition. Eight years before her husbands accession to the thrones, Blanche was arrested and found guilty of adultery with a Norman knight. Her sisterinlaw, Margaret of Burgundy, suffered the same fate, while her sister Joan was acquitted. Blanche was imprisoned until she became queen, when she was moved to the coast of Normandy. The date and place of her death are unknown the mere fact that she died was simply mentioned on the occasion of her husbands third marriage in April 1326.

After a certain period of time, King Philip ordered the arrest of all his daughtersinlaw and the knights. Following torture, the knights confessed to adultery and admitted that it had lasted three years. The Countess of la Marche and the Queen of Navarre were tried before the Paris Parlement and were found guilty of adultery. Their heads were shaven and both were sentenced to life imprisonment underground in Chteau Gaillard, while their lovers were condemned to death and duly executed. Her first child, a son named Philip, was born aroundJanuary 1314 and thus before the accusation of adultery levelled at his mother, so presumably his paternity was not challenged her second child, a daughter named Joan, was born in 1315 after the trial, so some doubt about her paternity was suggested by the contemporary Continuatio of the Chronicle of Guillaume de Nangis, moreover because reportedly Blanche became pregnant either by one of her jailers or by her own husband however, she was presumably

Source: Wikipedia