1911 Encyclopædia Britannica, Volume 18… (1911)
“ James retired to Brussels, the king having previously signed a declaration that he “never was married, nor gave contract to any woman whatsoever but to my wife Queen Catherine.” In the summer of 1679 the king suddenly fell ill, and the dangers of a disputed succession became terribly apparent. The party opposed to Monmouth, or rather to Shaftesbury, easily prevailed upon Charles to consent to his brother’s temporary return. When, after the king’s recovery, James went back to Brussels, he received a promise that Monmouth too should be removed from favour and ordered to leave the country. ”
