Hermione Black Longbottom?

Hermione finds out that the Ministry is threatening to take her family's money away since she is female and the last remaining Black. She finds out that in order to save her family's name she has to get married. Neville steps in and voices his feelings for her, for which she returns. Inevitably makes her the next Lady Longbottom and Lady Black. Making Neville Lord Longbottom Black.