The Desclergues of la Villa Ducal de Montblanc (2nd edition) is a comprehensive ancestral chronicle, meticulously tracing the Desclergues family lineage from the Greek era through the Villa Ducal de Montblanc in Tarragona to the present in Belgium. The series (Volumes I-VIII) is an exhaustive account of the Desclergues of Montblanc alongside the author's other ancestral lines, including de Patin, de Patin de Langemarck, Lesage, Benoit, Den Dauw, 't Kint, Surmont, de Croock, Ardan, Lammens, Decaestecker, and de Silva of Uduwara in Sri Lanka. This scholarly work is enriched by a comprehensive DNA analysis, providing genetic depth to the historical narrative. Each family line is intricately contextualized within its historical setting, with facsimile images of archival records offering tangible evidence of the past. Volume VII presents a scholarly and comprehensive DNA analysis that supports the ancestries described in the previous volumes. This Volume offers a genetic perspective on the Desclergues lineage, providing scientific depth to the historical narrative. Through detailed explanations and illustrative charts, readers will understand the genetic connections that bind these family lines. This Volume is an invaluable resource for those interested in the intersection of genealogy and genetic research, showcasing the scientific methods that underpin the genealogical findings. This beautifully illustrated book presents a visually engaging experience, enhancing historical insights and making it an invaluable resource for students, historians, and anyone passionate about genealogical studies. Nico Felicien Declercq, a full professor at the Georgia Institute of Technology, is a distinguished scholar. With a Ph.D. from Ghent University and an MSc from the Catholic University of Leuven, his prolific academic career encompasses numerous published works. His passion for history and genealogy led him to meticulously document his ancestral lineage, culminating in this comprehensive work. Professor Declercq's interdisciplinary approach and dedication to rigorous research have earned him a reputation for excellence in the scientific community and among genealogical enthusiasts. He is also the author of several philosophical novels published under a pseudonym.