Saizana was the brother of King

Kings of Axum

-Kings during the zenith of the Kingdom of Axum:The following based on S.C. Munro-Hay, Aksum , pp. 67f-Later kings:The following list of rulers between 600-900 is based on E. A...

 Ezana

Ezana of Axum

Ezana of Axum , was ruler of the Axumite Kingdom located in present-day Ethiopia, Eritrea, Yemen, he himself employed the style "king of Saba and Salhen, Himyar and Dhu-Raydan"...

 Aksum, who changed the official religion to Christianity

Christianity

Christianity is a monotheistic religion based on the life and teachings of Jesus as presented in canonical gospels and other New Testament writings...

According to Tyrannius Rufinus

Tyrannius Rufinus

Tyrannius Rufinus or Rufinus of Aquileia was a monk, historian, and theologian. He is most known as a translator of Greek patristic material into Latin—especially the work of Origen.-Life:...

, he was converted to Christianity

Christianity

Christianity is a monotheistic religion based on the life and teachings of Jesus as presented in canonical gospels and other New Testament writings...

 with his brother Ezana by the missionary Frumentius. With his brother, he resisted the attempts of Emperor Constantius II

Constantius II

Constantius II , was Roman Emperor from 337 to 361. The second son of Constantine I and Fausta, he ascended to the throne with his brothers Constantine II and Constans upon their father's death....

 to relieve Frumentius of his post as bishop and replace him with an Arian

Arianism

Arianism is the theological teaching attributed to Arius , a Christian presbyter from Alexandria, Egypt, concerning the relationship of the entities of the Trinity and the precise nature of the Son of God as being a subordinate entity to God the Father...

.

He was sent by Ezana with his brother Hadefa (also spelled Adiphan, Adefa) to quell an uprising by the Beja

Beja people

The Beja people are an ethnic group dwelling in parts of North Africa and the Horn of Africa.-Geography:The Beja are found mostly in Sudan, but also in parts of Eritrea, and Egypt...

. The two brothers were victorious, and six Beja tribes (4400 people) were relocated to a province called Matlia, possibly in modern Begemder

Begemder

Begemder was a province in the northwestern part of Ethiopia. There are several proposed etymologies for this name...

.

He is considered a saint

Saint

A saint is a holy person. In various religions, saints are people who are believed to have exceptional holiness.In Christian usage, "saint" refers to any believer who is "in Christ", and in whom Christ dwells, whether in heaven or in earth...

 by the Coptic Church, with a feast day of October 1.