Julia Chinn
... that the common-law wife of the ninth vice president of the United States was Julia Chinn, an enslaved woman?
... that the common-law wife of <a href="./Richard_Mentor_Johnson" id="mwUg" rel="mw:WikiLink" title="Richard Mentor Johnson">the ninth vice president</a> of the United States was <b id="mwUw"><a href="./Julia_Chinn" id="mwVA" rel="mw:WikiLink" title="Julia Chinn">Julia Chinn</a></b>, an enslaved woman?