Michelle Duggar‘s sister Kathie Ruark Arnold passed away in March. Michelle is the youngest child in her family and stayed behind to marry Jim-Bob Duggar when the rest of her family relocated to Ohio. There were one or two episodes of 19 Kids and Counting where Michelle visited her Ruark relatives, but for the most part they haven’t been featured on the show – this could be simply because of geography (although Ohio is way closer than Jerusalem or Tokyo, where the Duggars have been recently), but there have been rumors that the Ruarks, who are not strongly religious, don’t agree with Michelle and Jim-Bob’s way of life. (There’s another sister who is a lesbian and either partnered or married.)
Here’s Kathie’s obituary. It sounds like she had a full and happy life. You can definitely see the Ruark family resemblance in this photo, as Kathie had long, wavy hair just like her sister (although she styled it much better, in my opinion). May she rest in peace.