Genealogy Guy and Dominic Hendry from estateresearch.co.uk discuss the intersections of genealogy and legal support services, including probate genealogists, tracing services, and DNA evidence. They emphasise the importance of understanding legal issues in genealogy and accurate inheritance planning to avoid potential disputes. Genealogy Guy highlights the growing impact of DNA evidence and online genealogy on probate law, while Dominic stresses the significance of including accurate relationships and clear instructions in a will. They also discuss the difficulties and strategies for conducting genealogy research, including accessing publicly available records and double-checking information.