One of two sisters martyred in ninth-century Muslim Spain for refusing to abandon the Christian faith their late mother had taught them.

Nunilo was a laywoman near Alquézar, Muslim-ruled Spain, born to a Muslim father and a Christian mother. After her mother’s death, Nunilo and her sister Alodia continued practicing Christianity, treated under the Emirate of Córdoba’s law as unlawful apostasy for children considered Muslim by birth. Refusing to recant before local authorities, the sisters were executed together at Alquézar on 21 October 851, part of the wider Cordoban martyrdoms, among the best-documented Christian witnesses of Islamic-era Spain.

Quick Facts

• Died: October 21, 851, Alquézar, Spain
• Venerated as: Layperson and martyr; sister of Saint Alodia

Who Was Saint Nunilo?

Nunilo’s identity is inseparable from her sister Alodia’s: the two are remembered together as siblings who made the same costly choice under identical legal and family circumstances. Born of a Muslim father and Christian mother, both girls were legally regarded as Muslim by birth under the norms of the Emirate of Córdoba, making their continued practice of Christianity, learned from their mother, a punishable act of apostasy rather than a protected minority faith.

Historical Setting

The Emirate of Córdoba in the ninth century generally tolerated Christian communities as a protected but legally subordinate population, yet applied harsh penalties, including death, to those it considered converts from Islam, a category that included children of mixed marriages raised in their mother’s faith. This period produced the Cordoban Martyrs movement, extensively documented by the contemporary priest Eulogius of Córdoba, who personally knew many of those executed.

Why the Church Remembers Saint Nunilo

The Church remembers Nunilo and her sister for a fidelity that placed loyalty to their late mother’s faith above legal compliance and personal safety, choosing execution together rather than recanting separately or individually. Their shared martyrdom stands as one of the clearer, better-attested episodes of the Cordoban persecutions.

Canonization and Feast Day

Unlike most ancient martyrs, Nunilo’s death was recorded in unusual detail by a near-contemporary witness, Eulogius of Córdoba, whose account — rather than any formal canonization process, which did not yet exist — underlies her veneration alongside her sister Alodia in the Roman Martyrology.

What Catholics Can Learn Today

Nunilo’s story speaks to the strength found in family solidarity under pressure to conform, and to the particular courage of young people caught between the demands of civil law and the faith handed down to them by a parent.

A Prayer to Saint Nunilo

Saint Nunilo, who held fast with your sister to the faith your mother gave you, watch over young believers today who must choose between family expectation and legal pressure and the truth they hold in their hearts. Amen.

Sources

• Eulogius of Córdoba, Memoriale Sanctorum
• Roman Martyrology