May 18, 1548
Precision: day · Rank: normal
Original calendar: Julian. Displayed date is Gregorian.
No external source identified
No external source identified
THE DATE BEHIND THE NAME
Giacomo Boncompagni
Illegitimate son of a Pope
Giacomo Boncompagni has incompatible recorded birth dates. The main Wikidata statement lists May 8, 1548 in Metropolitan City of Bologna, Italy.
Born
May 8, 1548
An exact age is omitted because the recorded dates are incompatible or not precise enough.
Died: August 18, 1612
- Birthplace
- Metropolitan City of Bologna, Italy
- Birthplace detail
- Born at Bologna
- Professions
- aristocrat, soldier, territorial lord
- Citizenship
- Papal States
Incompatible birth dates
Sources disagree: May 8, 1548 (SNAC) or May 18, 1548 (No external source identified).
The main date retains its own sources. These alternatives overlap neither all other statements nor the main date. Rank is Wikidata editorial priority, not proof.
More about Giacomo Boncompagni
Family
- Father
- Gregory XIII
- Child
- Francesco Boncompagni
All birth date sources
A source is P248 “stated in” or a non-Wikimedia reference URL. Import-only references do not qualify.
Synchronized from Wikidata on October 5, 2026. View Wikidata record
Questions people ask
Where was Giacomo Boncompagni born?
Giacomo Boncompagni was born in Metropolitan City of Bologna, Italy.
When did Giacomo Boncompagni die?
Giacomo Boncompagni died on August 18, 1612.