The Origins of the Royal Spanish Surname Castilla: Genetics and Genealogy

IF 0.8 Q3 ETHNIC STUDIES Genealogy Pub Date : 2023-07-31 DOI:10.3390/genealogy7030052
A. López-Parra, M. Mesa, F. Castilla, E. Arroyo-Pardo
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Abstract

In most Western European societies, surnames pass from generation to generation and in cases where surnames are shared by fathers to children, the Y chromosome passes down from fathers to male offspring in the same way as surnames do. The aim of this study was to ascertain the patrilineal relationship between individuals with the surname “Castilla” and their respective Y-chromosome haplotypes. The toponymic surname “Castilla” is part of the Spanish royal family. Genealogical studies of this surname have allowed the formulation of different hypotheses about its origin, most of which were centered in Burgos. To shed some light on the origin of the surname Castilla and to investigate the possible co-ancestry behind the living carriers of this surname, markers located in the Y chromosome-specific region were analyzed in a sample of 102 men whose paternal surname was Castilla. The study aimed to establish the minimum number of founders and the expansion time of the lineages from our sample. Two major haplogroups were identified: R1b and E1b1b-M81. The high frequency of the E1b1b-M81 haplogroup in comparison to that of the general Spanish population, its low haplotype diversity, and its young TMRCA (323+/− 255 years CE) are compatible with the historical timing of the obligation to use surnames. However, the coincidence of the most common haplogroup in the Castilla sample and the most frequent haplogroup in the Spanish general population, R1b, makes it difficult to identify founder haplotypes/haplogroups in the history of the Castilla surname.
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西班牙皇家姓氏卡斯蒂亚的起源:遗传学和家谱
在大多数西欧社会,姓氏是代代相传的,如果父亲把姓氏传给了孩子,那么Y染色体就会像姓氏一样从父亲传给男性后代。本研究的目的是确定具有“Castilla”姓氏的个体及其各自的y染色体单倍型之间的父系关系。“卡斯蒂亚”是西班牙王室的姓氏。对这个姓氏的家谱研究已经允许对其起源提出不同的假设,其中大多数假设都集中在布尔戈斯。为了阐明卡斯蒂亚这个姓氏的起源,并调查这个姓氏的携带者背后可能的共同祖先,我们分析了102名父亲姓卡斯蒂亚的男性样本中位于Y染色体特定区域的标记。该研究旨在从我们的样本中确定创始人的最小数量和谱系的扩展时间。鉴定出两个主要单倍群:R1b和E1b1b-M81。与一般西班牙人群相比,E1b1b-M81单倍群的高频率,其低单倍型多样性和年轻的TMRCA(323+/−255年CE)与使用姓氏义务的历史时间相一致。然而,卡斯蒂亚样本中最常见的单倍群与西班牙一般人群中最常见的单倍群R1b的巧合,使得很难确定卡斯蒂亚姓氏历史中的创始单倍型/单倍群。
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CiteScore
0.40
自引率
0.00%
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0
审稿时长
11 weeks
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