1. in a manner relating to or based on the study of family history and ancestry
2. with respect to descent or lineage; in terms of family relationships

Examples

• The two families are genealogically connected through a common ancestor from the 1700s.
• She traced her roots genealogically and discovered she had Scottish heritage.
• Genealogically speaking, all humans share a common origin.
• The researcher examined the documents genealogically to establish the family tree.
• These species are genealogically related, sharing a recent evolutionary ancestor.
• He approached the problem genealogically, looking at how ideas developed over time.