Index/People/Roland Horisberger

Roland Horisberger

Researcher ORCID ID = 0000-0002-5594-1321

Fact-Checks

9 results
Dec 2, 2025
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Did Trumps Grandfather enter the US illegally

Historical records and modern reporting show Friedrich (Frederick) Trump emigrated from Bavaria to the United States in 1885 at age 16 to join his sister; under Bavarian law his departure before compl...

Jan 30, 2026
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Were there immigration controversies or legal disputes tied to Trump's grandfather?

— ’s migration and later dealings prompted legal and administrative actions in his lifetime: he left as an underage emigrant in a way that violated Bavarian conscription rules, later petitioned Bavari...

Dec 9, 2025
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What immigration records exist for Friedrich and Elizabeth Trump from Germany to the U.S.?

Friedrich (Frederick) Trump is documented in U.S. arrival records as a 16‑year‑old who sailed from Bremen on the S.S. Eider on October 7, 1885 and was processed at New York’s Castle Garden on October ...

Feb 6, 2026

What primary U.S. immigration and naturalization documents exist for Friedrich/Frederick Trump, and where can researchers access them?

A cluster of primary and records for exists in archival sets commonly used by genealogists: passenger arrival lists and early passport applications, a minor naturalization petition filed in , and asso...

Jan 18, 2026

What primary documents exist for Friedrich Trump’s 1885 arrival and Bavarian citizenship proceedings?

Primary, contemporaneous records tied to Friedrich (Frederick) Trump’s 1885 emigration and the later Bavarian citizenship actions include passenger arrival lists showing a “Friedr. Trumpf” on the stea...

Jan 17, 2026

What does the 1905 Bavarian royal decree ordering Friedrich Trump's expulsion actually say, and where is it archived?

A royal Bavarian decree from February 1905 ordered “the American citizen and pensioner Friedrich Trump” to leave the Kingdom of Bavaria — specifying he must depart by 1 May or face deportation — on th...

Jan 8, 2026

What primary documents exist for Friedrich Trump’s arrival, naturalization, and correspondence with Bavarian authorities?

Friedrich (Frederick) Trump’s paper trail includes U.S. arrival records at Castle Garden, patchy references to U.S. naturalization efforts, and a set of Bavarian archival documents—a banishment/deport...

Dec 2, 2025

When and where did Friedrich Trump emigrate from Germany to the U.S.?

Friedrich (Frederick) Trump emigrated from Kallstadt in the Palatinate (then Kingdom of Bavaria) to the United States in 1885 at age 16, boarding a steamship in October and arriving in New York later ...

Oct 30, 2025

Have local German municipal archives in Kallstadt or Bavarian police records from 1905 referenced Friedrich Trump and brothel operations?

Local German municipal archives in Kallstadt and Bavarian police files from 1905 do not appear in the surveyed reporting as having explicit records that . Contemporary English-language summaries and b...