The churchyard is said to contain the tomb of the saint.
The ground floor contained elaborate tombs of Burtel and his family.
The south section of the field contains several tombs dating to the Saite period and later.
The new building, which remains today, contains a small chapel housing the painting and the tomb of Matteo directly below.
The south, rather sheer, face of the citadel contains more tombs with inscriptions.
Although no buildings of this period are known, a cemetery excavated in the 1960s seems to have contained tombs from the early colony.
A hall was discovered there containing tombs of the Jews from Yemen.
It contains the tomb of the saint and 13th-century frescoes and paintings.
An inscription in two parts was set above the doorway leading to the domed chamber containing the tomb.
The church contains some 15th-century brasses, 17th-century and later tombs and furnishings.