Entities: one family per document with unique members; all members share the family name.
Relations: eight types — husband, wife, father, mother, brother, sister, son, daughter.
500 BI families: Training includes facts in both directions (e.g., "Samuel son Ryan" AND "Ryan father Samuel")
500 UNI families: Training includes facts in one direction only — parent→child is stated (e.g., "Samuel son Ryan"), but child→parent is missing… See the full description on the dataset page:
https://huggingface.co/datasets/kdkyum/family_relation.