Question: When was the constituent college founded in which Francis Rosslyn Courtenay Bruce was educated?

Context paragraphs:
Wolfson College, Cambridge: Wolfson College is a constituent college of the University of Cambridge in Cambridge, England.  The majority of students at the college are postgraduates.  The college also admits "mature" undergraduates (aged 21 and above), with around 15% of students studying undergraduate degree courses at the university.  The college was founded in 1965 as "University College", and changed its name to Wolfson College in 1973 in recognition of the benefaction of the Wolfson Foundation.  Wolfson is located to the west of Cambridge city centre, near the University Library.  It was the first college of the university to admit men and women as both students and Fellows.

Worcester College, Oxford: Worcester College is one of the constituent colleges of the University of Oxford in England.  The college was founded in 1714 by the benefaction of Sir Thomas Cookes, a Worcestershire baronet, with the college gaining its name from the county of Worcestershire.  Its predecessor, Gloucester College, had been an institution of learning on the same site since the late 13th century until the Dissolution of the Monasteries in 1539.

Magdalene College, Cambridge: Magdalene College ( ) is a constituent college of the University of Cambridge.  The college was founded in 1428 as a Benedictine hostel, in time coming to be known as Buckingham College, before being refounded in 1542 as the College of St Mary Magdalene.  Magdalene counted some of the greatest men in the realm among its benefactors, including Britain's premier noble the Duke of Norfolk, the Duke of Buckingham and Lord Chief Justice Christopher Wray.  Thomas Audley, Lord Chancellor under Henry VIII, was responsible for the refoundation of the college and also established its motto—"garde ta foy" (Old French: "keep your faith").  Audley's successors in the Mastership and as benefactors of the College were, however, prone to dire ends; several benefactors were arraigned at various stages on charges of high treason and executed.

St John's College, St Andrews: St John's College (or Auld pedagogy) of the University of St Andrews as a constituent college founded between 1418 and 1430 and was the precursor to present-day St Mary's College.  The founder of the college was Lawrence of Lindores (1372-1437) under the chancellorship of Bishop Wardlaw.

Francis Rosslyn Courtenay Bruce: He was the grandson of Sir James Bruce, 2nd Baronet who fought at Waterloo; son of Lloyd Stuart Bruce, a Canon of York from 1873 to 1876 nephew of Archbishop William Thompson; brother of Kathleen Scott (and brother in law of Robert Falcon Scott); and father of Verily Anderson.  He was educated at St Edward's School, Oxford and Worcester College, Oxford.  During his years at Oxford he stood for the Presidency of the Union but was beaten by Hilaire Belloc; instead becoming Secretary.  He was ordained deacon in 1897, and priest in 1898.  After curacies in Dinting Vale and Soho he was Rector of Clifton with Glapton from 1904 to 1912; a Chaplain to the Forces; the incumbent at St Augustine, Edgbaston from 1912 to 1923 and lived at the vicarage at 4 Manor Road, the next door neighbour of Sir Gilbert Barling.

St John's College, Oxford: St John's College is a constituent college of the University of Oxford.  Founded in 1555 by the merchant Sir Thomas White, intended to provide a source of educated Roman Catholic clerics to support the Counter-Reformation under Queen Mary.  St John's is the wealthiest college in Oxford, with a financial endowment of £442.2 million as of 2015, largely due to nineteenth century suburban development of land in the city of Oxford of which it is the ground landlord.

Christ's College, Cambridge: Christ's College is a constituent college of the University of Cambridge.  The college includes the Master, the Fellows of the College, and about 450 undergraduate and 170 graduate students.  The college was founded by William Byngham in 1437 as God's House.  In 1505, the college was granted a new royal charter, was given a substantial endowment by Lady Margaret Beaufort, and changed its name to Christ's College, becoming the twelfth of the Cambridge colleges to be founded in its current form.  The college is renowned for educating some of Cambridge's most famous alumni, including Charles Darwin and John Milton.

Corpus Christi College, Cambridge: Corpus Christi College (full name: "The College of Corpus Christi and the Blessed Virgin Mary", often shortened to "Corpus", or previously "The Body") is a constituent college of the University of Cambridge.  It is notable as the only college founded by Cambridge townspeople: it was established in 1352 by the Guild of Corpus Christi and the Guild of the Blessed Virgin Mary, making it the sixth-oldest college in Cambridge.  With around 250 undergraduates and 200 postgraduates, it also has the second smallest student body of the traditional colleges of the University (after Peterhouse).

Sidney Sussex College, Cambridge: Sidney Sussex College (referred to informally as "Sidney") is a constituent college of the University of Cambridge in England.  The college was founded in 1596 under the terms of the will of Frances Sidney, Countess of Sussex (1531–1589) and named after its foundress.  It was from its inception an avowedly Protestant foundation; "some good and godlie moniment for the mainteynance of good learninge".  In her will, Lady Sussex left the sum of £5,000 together with some plate to found a new college at Cambridge University "to be called the Lady Frances Sidney Sussex College".  Her executors Sir John Harington and Henry Grey, 6th Earl of Kent, supervised by Archbishop John Whitgift, founded the college seven years after her death.

St John's College, Cambridge: St John's College is a constituent college of the University of Cambridge (the full, formal name of the college is The Master, Fellows and Scholars of the College of St John the Evangelist in the University of Cambridge).  The college was founded by Lady Margaret Beaufort.  In constitutional terms, the college is a charitable corporation established by a charter dated 9 April 1511.  The aims of the college, as specified by its Statutes, are the promotion of education, religion, learning and research.

Supporting paragraphs: Francis Rosslyn Courtenay Bruce Worcester College, Oxford
Answer: 1714