Watch: Jinger Duggar Explains Why Husband Jeremy Vuolo Upgraded "Bargain" Wedding BandJinger Duggar Vuolo hasn't lost count just yet. The 19 Kids and Counting alum playfully addressed speculations that her family may have some "mystery Duggar grandkids" running around. "Ohhh," Jinger teased in her Feb. 5 Instagram Stories Q&A. "Maybe there are some that I don't know about in a family as large as mine?! Haha jk." After all, with the 32-year-old-who shares kids Felicity, 7, Evangeline, 5, and 10-month-old Finnegan with husband Jeremy Vuolo-having 18 siblings, their family tree is sprawling.