She is married to John 2nd Laird of Annat Stewart, 2nd of Annat.
They got married
Janet Stewart (born Graham)<br>Gender: Female<br>Birth: 1610 - Gartur, Cardross Moss, Port of Menteith, Perthshire, Scotland.<br>Death: 1685 - Stirling, Stirlingshire, Scotland<br>Father: Gespard Jasper of Blaircessnock Graham<br>Mother: Agnes of Gartavertane Graham<br>Husband: John 2nd Laird of Annat Stewart<br>Children: Archibald StewartDuncan 1st laird of Ballochallan StewartAlexander 3rd Laird of Annat Stewart
www.wikitree.com