As of 2019, 20 children born to fathers of this ethnicity were some of the few kids with Vatican citizenship, but they will lose it once their family no longer lives there. For 10 points each:
[10e] Give this ethnicity of colorful guards that have historically protected the Pope. Mercenaries of this ethnicity dominated pre-Renaissance Europe and emerged from the cantons of the Old Confederacy.
ANSWER: Swiss [or die Schweizer or es Suisses or gli Svizzeri or ils Svizzers; accept the Swiss Guard]
[10m] Some of these mercenaries called “double-pay men” used gigantic Zweihänder to cut through Swiss pikemen at Pavia. While led by Georg von Frundsberg, these unreliable Germanic mercenaries sacked Rome in 1527.
ANSWER: Landsknechte [or Lansquenets]
[10h] Swiss defeat at this 1515 battle caused the cantons to adopt the Perpetual Peace, a precursor to Swiss neutrality. This final battle of the War of the League of Cambrai resulted in Francis I controlling Milan.
ANSWER: Battle of Marignano [or the Battle of Melegnano]
<GE, European History>