1) Ancestral link 2) Ancestry 3) Ancestry of a purebred animal 4) Blood 5) Blood line 6) Descent 7) English Gothic novel 8) Epistolary novel 9) Family tree 10) Genealogy 11) Line 12) Line of descent 13) Lineage 14) Origin 15) Parentage 16) Pedigree 17) Sequence of direct ancestors 18) Stemma 19) Stock Found on https://www.crosswordclues.com/clue/bloodline