U.S. Sen. Jim Justice, R-W.Va., and his family have filed a lawsuit to defend their Greenbrier business empire from a takeover sought by an affiliate of a prominent international hotel company that has bought their nine-figure debt. Justice, his wife Cathy, their son Jay and daughter Jill, along with 14 companies in the family’s business portfolio, filed a lawsuit in Greenbrier County Circuit Court late Sunday night against the family’s past and…