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Enno I

1460 – 1491

Count of East Frisia

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About Enno I

Lived 1460 – 1491 (aged 30).

Enno I of East Frisia, count of East Frisia (1 June 1460 – Friedeburg, 19 February 1491) was the eldest son of Ulrich I of East Frisia and Theda Ukena, of a chiefly East Frisian family.

Life Enno I was not particularly interested in succeeding his father as count, so his mother Theda stayed in power. Enno took part in a pilgrimage to the Holy Land, and in Jerusalem he was dubbed Knight of the Holy Sepulchre. During his absence from the county, his sister Almuth fell in love with the noble Engelmann von Horstell, drost of Friedeburg. They made plans to marry, but they were prevented from marrying by Almut's mother Theda. Undeterred, Almut moved with her betrothed to Friedeburg and took the family jewels with her. When Enno returned to East Frisia, he thought his sister had been kidnapped, and he pursued the drost to his castle. As it was winter, the moat around the castle was frozen over and Enno believed he could cross it. His armour was too heavy, and Enno sank through the ice and drowned.

Enno I was 30 years old when he died. His mother Theda had a memorial shield made in his honor, which is still on display in the Great Church, today the Johannes-a-Lasco Library in Emden, on a wall close to the crypt of the Lords of East Frisia.

Children Enno I of East Frisia had one illegitimate son, Rudolph Cirksena, with an unknown mistress: Rudolph Cirksena (c. 1490 - 15 March 1533), married with Gebbeke Hinrichs.

Ancestors

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Important facts

Birth century
Also known as
Enno I of East Frisia

Family & relationships

Parent
Theda Ukena
Parent
Ulrich I, Count of East Frisia

People in Enno I's life

Named in this biography and alive at the same time

Contemporaries

People whose lives overlapped Enno I's

Frequently asked questions

Who was Enno I?

Count of East Frisia

When was Enno I born?

Enno I was born on 1 June 1460.

When did Enno I die?

Enno I died on 19 February 1491 in Friedeburg.

Sources & further reading

· Wikipedia: Enno I

· Wikidata: Q319852

· DBpedia: Enno I, Count of East Frisia

Cite this page

APA: Biography.guide. (2026). Enno I. https://biography.guide/enno-i/

MLA: "Enno I." Biography.guide, https://biography.guide/enno-i/.

Chicago: "Enno I." Biography.guide. https://biography.guide/enno-i/.

Data last updated: 2026-09-20 · Spot an error? Report a correction.

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