Question: Who is younger, Constantine Orbelian or Ivan Dmitri?

Context paragraphs:
Ivan Dmitri: Ivan Dmitri (or Dmitre) (1900 – 1968), born Levon West, was an artist from the U.S. State of North Dakota.  Born in Centerville, South Dakota, his father was a Congregational minister who immigrated from Armenia.  The family changed their name to West when Levon and his brothers did not want to enlist in the service during World War I under their Armenian last name, Assadoorian.  The name West was chosen as it was the maiden name of Levon's mother.  Levon West adopted the pen name of Ivan Dmitri to use for his color photography.  His etchings and watercolors were always done under his original name, Levon West.

Elias Constantine: Elias Constantine (22 May 1912 – 22 May 2003) was a Trinidadian cricketer who played first-class cricket for Trinidad between 1932 and 1949.  He was the younger brother of Learie Constantine, who represented West Indies in Test matches; his father Lebrun and uncle Victor Pascall also played representative cricket for West Indies and Trinidad.

Stephen Lekapenos: Stephen Lekapenos or Lecapenus (Greek: Στέφανος Λακαπηνός ; died 18 April 963) was the second son of the Byzantine emperor Romanos I Lekapenos (r. 920–944), and co-emperor from 924 to 945.  With his younger brother Constantine, he deposed Romanos I in December 944, but was overthrown and exiled by the legitimate emperor Constantine VII (r. 913–959) a few weeks later.  Stephen lived out his life in exile on the island of Lesbos, where he died on Easter 963.

Tsarevich Dmitry Ivanovich of Russia (1552–1553): Dmitri Ivanovich (Russian: Дмитрий Иванович ; 11 October 155226 June 1553) was the first Tsarevich or Tsesarevich - the heir apparent - of the Tsardom of Russia, as the eldest son of Ivan the Terrible, or "Ivan IV of Russia" and his first Tsaritsa, Anastasia Romanovna.  He was the third child and first son of the couple and died in infancy.

Constantine Orbelian: Constantine Garrievich Orbelian, Jr. (Armenian: Կոնստանտին Օրբելյան , Russian: Константин Гарриевич Орбелян , born San Francisco, 27 August 1956) is an American conductor and pianist of Armenian and Russian descent.  He is named after his paternal uncle Konstantin Orbelyan, a major Armenian composer.

I Met You, My Love: I Met You, My Love is a 2002 album of 'Old Russian Romances', light-classical Russian songs by baritone Dmitri Hvorostovsky in arrangements for the recording by Evgeny Stetsyuk, with Moscow Chamber Orchestra, and Russian folk ensemble Style of Five, directed Constantine Orbelian.  It is Hvorostovsky's only commercial recording of the popular salon songs he sometimes uses as encores in recitals in Russia.  The album was very popular in Russia, but was generally not well received in the western classical press.  The Gramophone's reviewer noted that the expertise of the singer could not elevate most of the songs to the Russian art song repertoire.

Aglaia Coronio: Aglaia Coronio ("née" Ionides; 1834 – 20 August 1906, Greek: Αγλαΐα Κορωνιού ) was a British embroiderer, bookbinder, art collector and patron of the arts.  Of Greek descent, she was the elder daughter of businessman and art collector Alexander Constantine Ionides, who had immigrated to London from Istanbul in 1827.  Her older brother was Constantine Alexander Ionides (b. 1833); her younger siblings were Luca (b. 1837), Alexandro (b. 1840) and Chariclea (b. 1844).  Aglaia became a confidante of William Morris and a friend of Dante Gabriel Rossetti.  She and her cousins Marie Spartali Stillman and Maria Zambaco were known among friends as "the Three Graces", after the Charites of Greek mythology (the youngest of whom was also "Aglaia").

Where Are You My Brothers?: Where are You, my Brothers?  is a 2003 album of Russian-language songs from World War II recorded by baritone Dmitry Hvorostovsky and conductor Constantine Orbelian for Delos Productions.  The album was released in Russia as "Songs of the War Years" (Песни военных лет).  It was based on a concert at the Kremlin Palace in Moscow.  A video of the concert and 13 of the songs was released on the American VAI label.  The repertoire of the concert is the very core of the Russian war song genre and the sound and video releases were accompanied by booklet essays and sung texts and translations.

Iliko Lalev: Iliko Lalev (, 1658) was the "vojvoda" (chieftain) of Kuči.  Iliko was the second of four sons of Lale Drekalov and a daughter or sister of a Bratonožići vojvoda, Pejo Stanojev.  He had an older brother Vujoš, and younger brothers Čejo and Mijo.  Iliko was mentioned in 1658, when at the meeting in February in Doljani he killed Džafer-aga Tujković, for which he was rewarded by Venetians.  Kuči had been united under one vojvoda sometime in the 17th century.  His brother Vujoš first inherited the title of Voivode, but unsatisfied with his descendants insubordinance, he passed it to Iliko.  As Iliko accepted the title of vojvoda over the Kuči, he assembled an army, composed of Kuči, Bratonožići, Piperi and Klimenti, and attacked Kolašin.  In 1658, the seven tribes of Kuči, Vasojevići, Bratonožići, Piperi, Klimenti, Hoti and Gruda allied themselves with the Republic of Venice, establishing the so-called "Seven-fold barjak" or "alaj-barjak", against the Ottomans.  Iliko had three sons: Ivan, Petar and Mirčeta.  All three brothers held the title of Voivode respectively.  Ivan first succeeded Iliko, with his brother Petar succeeding him after his death, ending with Mirčeta who gained the title after Petar died fighting the Turks.The three brothers died during the course of the Morean War and Great Turkish War.  Ivan's descendants formed the brotherhood of Ivanovići, Petar's formed the brotherhood of Petrovići and Mirčeta's, who was a priest (Serbian Latin: "pop" ), formed the brotherhood of Popovići.  After Mirčeta's death the title of Voivode was inherited by his nephew, Petar's son Radonja.

Demetrius, son of Alexander I of Georgia: Demetrius ("Dimitri"; Georgian: დიმიტრი ) ( 1413 – 1453) was the second son of King Alexander I of Georgia by his first wife Dulandukht Orbelian.  He was co-king with his father from 1433 to 1442 and with his brother Vakhtang IV from 1442 to 1446.  On Vakhtang’s death, Demetrius became a "de jure" king of Georgia but his accession to the throne was precluded by his younger brother George VIII.

Supporting paragraphs: Constantine Orbelian Ivan Dmitri
Answer: Constantine Garrievich Orbelian, Jr.