Clemens and earlier Keyser family — 59-person research, 8 October 2026

Archive AI research, third round, 8 October 2026. 59 distinct person dossiers: 42 new research profiles and 17 existing people. Original Garret Clemens estate explicitly lists seven children; Peter Keijser’s 1724 registered will names wife Margaret, her brother [[person:person-225eeea8-ca26-48f3-bcbf-7b0aa58ca19f|Andrew Souplis]], and sons Dirik and Peter. Correlated father links distinguished from compilation-only Dutch leads. Three earlier ancestor leads: Dirck Gerritsz Keyser, Cornelia Govertsz, Tobias Govertsz van den Wyngaert. Other new profiles include ancestral siblings and spouses; not all are direct ancestors. Typed cemetery card is derivative; burial dates are not death dates. No speculative mother links or martyr ancestry asserted. Full citations, limitations, and inspected images in attached report.

R3A — Philadelphia Register of Wills, Administration Files, 1798-1799, case 32 (1799), Garret/Garett Clemens or Clements. Bond 11 January 1799; inventory 15 January 1799, affirmed 19 April 1799; account affirmed 12 April 1800. Ancestry collection 8802, record 2477331, images 005874130_00376-00384. Original loose-paper images inspected. https://www.ancestry.com/search/collections/8802/records/2477331

R3B — Historical Society of Pennsylvania, Historic Pennsylvania Church and Town Records, reel 631; Germantown Church of Brethren Cemetery, Old section, lot 38, Catharine Leibert Estate. Ancestry collection 2451, record 2511065, image 40162_264348-00462. Later typed lot card, NOT a contemporary burial register. Dates are headed date buried. https://www.ancestry.com/imageviewer/collections/2451/images/40162_264348-00462?pid=2511065

R3C — Samuel Fitch Hotchkin, Ancient and Modern Germantown, Mount Airy and Chestnut Hill (Philadelphia: P. W. Ziegler & Co., 1889), printed pp. 224-226, especially p. 226. Historical compilation drawing on Abraham H. Cassel and Dr. Peter D. Keyser; not wholly independent family testimony. Relevant page image inspected. https://archive.org/details/ancientmodernger01hotc

R3D — Philadelphia Register of Wills, Will Book D, pp. 405-407, no. 325, Peter Keijser/Keijzer of Germantown, shoemaker. Dated 10 August 1724; proved 16 October (8br) 1724. Ancestry collection 8802, Wills Vol C-E 1705-1736, images 007726372_00378 and 00379. Original registered copy inspected; not the testator-signed loose original. https://www.ancestry.com/imageviewer/collections/8802/images/007726372_00379?pId=3010017

R3E — Charles S. Keyser, The Keyser Family (Philadelphia: Wm. F. Fell & Co., 1889), printed pp. 17, 19, 30, 34, 121-123, 128-129; p. 132 for previously documented Clemens sisters. Inspected page images; historical family compilation. Dates and Dutch relationships remain attributed pending original registers. https://archive.org/details/keyserfamilydesc00keys