Question: Saint Eadburh's mother was born in what year?

Context articles: Melania the Elder
Eustochium
Eadburh of Winchester
Eadgifu of Kent
Ealhswith
Placide Viel
St. Joachim of Ithaca
Ciarán of Saigir
Maria Skobtsova
Simeon Stylites the Younger

Saint Melania the Elder, Latin Sancta Melania Maior (born in Spain, ca. 350 - died in Jerusalem before 410 or in ca. 417) was a Desert Mother who was an influential figure in the Christian ascetic movement (the Desert Fathers and Mothers) that sprang up in the generation after the Emperor Constantine made Christianity a legal religion of the Roman Empire.
 She was a contemporary of, and well known to, Abba Macarius and other Desert Fathers in Egypt, Saint Jerome, Saint Augustine of Hippo, Saint Paulinus of Nola (her cousin or cousin-in-law; he gives a colorful description of her visit to Nola in his Letters), and Evagrius of Pontus, and she founded two religious community on the Mount of Olives in Jerusalem.
 She stands out for the fact that the convent she founded for herself and the monastery she established in honour of Rufinus of Aquileia belong to the earliest Christian religious communities, and because she promoted the asceticism which she, as a follower of Origen, considered indispensable for salvation.
Saint Eustochium (ca. 368 – September 28, 419 or 420).
 Born "Eustochium Julia" at Rome, she was the daughter of Saint Paula and is also venerated as a saint and was an early Desert Mother.
 She was the third of four daughters of the Roman Senator Toxotius, for whom Jerome made a lot of fanciful claims of ancestry.
 After the death of her husband (ca. 380) Paula and her daughter Eustochium lived in Rome as austere a life as the Fathers of the desert.
 Eustochium has three sisters, St. Blaesilla, Paulina, and Rufina, and a brother, Toxotius.
Saint Eadburh (or Edburga) (died 15 June 960) was the daughter of King Edward the Elder of England and his third wife, Eadgifu of Kent.
Eadgifu of Kent (also Edgiva or Ediva) (in or before 903 – in or after 966) was the third wife of Edward the Elder, King of the Anglo-Saxons.
Ealhswith or Ealswitha (died 5 December 902) was the wife of King Alfred the Great.
 Her father was a Mercian nobleman, Æthelred Mucel, Ealdorman of the Gaini, which is thought to be an old Mercian tribal group.
 Her mother was Eadburh, a member of the Mercian royal family, and according to the historian Cyril Hart she was a descendant of King Coenwulf of Mercia.
 She is commemorated as a saint in the Christian East and the West on July 20.
Saint Placide Viel (26 September 1815 — 4 March 1877), born Eulalie-Victoire Jacqueline Viel, was a French Roman Catholic professed religious and mother general who was active in organizing relief during the Franco-Prussian War.
 Viel joined the Sisters of the Christian Schools in 1833 and assumed the religious name of "Placide".
 Saint Marie-Madeleine Postel - mother general of the congregation - was her aunt.
Saint Joachim of Ithaca () also known as Saint Joachim of Vatopaedi or Saint Papoulakis was born in 1786 as "Ioannis Patrikios" near Polyktoria, a region in the island of Ithaca, Greece, where his father, Angelos Patrikios, was based as a Captain.
 Agne, his mother, was a devout Orthodox Christian but she died when he was still a child.
 From her Joachim learned the daily prayers and the importance of regular church attendance.
Ciarán of Saigir (5th century – c. 530 ), also known as Ciarán mac Luaigne or Saint Kieran (Welsh: "Cieran" ), was one of the Twelve Apostles of Ireland and is considered the first saint to have been born in Ireland, although the legend that he preceded Saint Patrick is questionable.
 Ciarán was bishop of Saighir (Seir-Kieran) and remains the patron saint of its successor, the diocese of Ossory.
 He is identified with the Saint Piran who is venerated in Cornwall, Wales, and Brittany.
 His feast day is celebrated on 5 March.
 He is sometimes called Saint Ciarán the Elder (Latin: "Kyaranus" or "Ciaranus Maior") to distinguish him from the other 6th-century Irish Saint Ciarán, who was abbot of Clonmacnoise.
 He shares the feast date of March 5th with his mother, St. Liadán, and his disciple and episcopal successor, St. Carthach the Elder.
Maria Skobtsova (20 [8 Old Calendar] December 1891, Riga — 31 March 1945, Ravensbrück concentration camp, Germany), known as "Mother Maria" (Russian: Мать Мария ), Saint Mary (or Mother Maria) of Paris, born "Elizaveta Yurievna Pilenko" (Елизавета Юрьевна Пиленко), "Kuzmina-Karavayeva" (Кузьмина-Караваева) by her first marriage, "Skobtsova" (Скобцова) by her second marriage, was a Russian noblewoman, poet, nun, and member of the French Resistance during World War II.
 She has been canonized a saint in the Eastern Orthodox Church.
Saint Simeon Stylites the Younger [also known as 'St. Simeon of the Admirable Mountain'] (Arabic: مار سمعان العمودي الأصغر "mār semʻān l-ʻamūdī l-asghar") (521 – May 24, 597) is a saint in the Eastern Orthodox Church and Catholic Churches of Eastern and Latin Rites. Born at Antioch, his father was a native of Edessa, his mother, named Martha was afterwards revered as a saint and a life of her, which incorporates a letter to her son written from his pillar to Thomas, the guardian of the true cross at Jerusalem, has been printed.