in 1869, she got married again to nelson davis, more than 20 years her junior. >> this is an amazingit was one of nine cottages. >> reporter: in her 70s, she opened an old age home for formerly enslaved people and an infirmary providing free health care to anyone, black or white. >> she was a lightning rod for change. >> reporter: karen vivian hill heads the harriet tubman home. >> she was the serena williams of her time, okay. bold, bad, black, beautiful. >> reporter: we know she was deeply religious and that she had secret pleasures. >> strawberries were her favorite dessert. so we found strawberry seeds all over the property. >> reporter: so who was harriet tubman really? >> this is just tubman's scrapbook as my mother called it. >> reporter: to judith bryant, she was aunt harriet. >> i'm a great, great grandniece. >> he and two other brothers she rescued from maryland in 1854. >> reporter: she's got bragging rights but chooses not to brag. >> it's my family. people always say oh, i didn't know you were related to harriet tubman. of course you didn't. but i did. we did. >> reporte