Historical Records
Documentary Attestations
The surname’s pronunciations and inclusion are recorded in reference works including Shanxi Dictionary of Population Surnames, New Compendium of a Thousand Surnames, and Dictionary of Surnames; its origin is also listed in Comprehensive Genealogy of Ten Thousand Surnames.
Reference: 胖姓_胖姓的来源和历史_百家姓
Migration and Distribution
A branch traditionally identified with Ming imperial descendants is said to have left Beijing in separate groups and temporarily settled in Yutian County, Tangshan, Hebei. Today, the surname is mainly distributed in Beijing, Hebei, Jilin, Heilongjiang, Sichuan, and Taiwan.
Reference: 胖姓_胖姓的来源和历史_百家姓
Genealogy and Generation Names
Genealogy and Ancestral Home
Existing Pang family genealogies mostly date from the late Qing period onward and were written by branch families, generally covering no more than seven generations. In the cited statistics, most people identify Yutian County, Tangshan, Hebei, as their ancestral home, while a small number identify Chaoyang, Beijing.
Reference: 胖姓:簡介,姓氏起源,族內情況,家譜,祖籍,人數,延伸閱讀,_中文百科全書
Research Notes
Pronunciation and Branch Boundaries
The surname is recorded with two pronunciations, pán and pàng. The Chaoyang, Beijing branch is described as having adopted the surname from the Yehenara clan in the late Qing period and as unrelated to the Zhu-descended branches in other regions.
Reference: “胖”居然是个姓氏!祖先还是历朝的一位皇帝,真是让人难以置信_明思宗