Royal kin and queens · Kingdom of Portugal · as at first light, 1 January 1200

Pedro Afonso

The king's illegitimate half-brother, a veteran of Silves, who held the royal castle of Seia under the Serra da Estrela and lands on the Zêzere, part of which he gave to Alcobaça.

None of his holdings is pinned to 1 January 1200.

Who he is

Name
Pedro Afonso
Title
Infante; alcaide of Seia; at some date alferes-mor
Since
not pinned
Born
not pinned (an illegitimate son of Afonso Henriques)
Family
Illegitimate son of Afonso Henriques; half-brother of Sancho I; executor of Sancho's will.
Confidence
low

Infopédia credits him with a part in the taking of Silves (1189), the alcaidaria of Seia and the office of alferes-mor under his half-brother (both undated), and gifts to Alcobaça of Zêzere lands he had from the crown (Figueiró and Pedrógão; undated). He later withdrew to León, angered by Afonso II.

Overlord

Sancho I of Portugal

What it holds

  • The castle of Seia as alcaide (date not pinned)
  • Crown lands on the Zêzere, including Figueiró and Pedrógão, later given to Alcobaça (dates not pinned)

How it was acquired

Royal grants from his half-brother.

Allies and rivals

Loyal to Sancho; later estranged from Afonso II.

Where the sources disagree

Evidence: A single encyclopaedia entry with undated offices.

On the map: Token disc; the date of his command is not pinned.

Primary sources for Portugal

Chronicles, registers, sagas and inscriptions written in or near 1200 that cover this entry. Each has its own page with editions, translations and where to read it.

5 more in the sources library for France and Iberia.

Sources and studies

  1. Pedro Afonso (Infopédia)

Last revised 4 November 2026. Published 4 November 2026. Suggest a correction on the OMNIA Discord.