daughter of Osselukh

 OLEG MIKHAIL Sviatoslavich "Gorislavich" ([1058]-1 Aug 1115[271]).  The Primary Chronicle names Oleg, son of Sviatoslav, recording that he and Vladimir, son of Vsevolod, fought the Czechs with the Poles in 1076[272].  Prince of Volynia [1073].  He claimed Chernigov in 1076 on the death of his father, but was expelled in Apr 1078 by his uncles Iziaslav and Vsevolod to Tmutorokan.  He returned with support from the Kuman [Cumans] to take Chernigov by force and defeated his uncle Vsevolod on the river Sozh, east of Pereyaslavl, 25 Aug 1078[273].  Prince Vsevolod sought support from Prince Iziaslav.  They defeated Oleg 3 Oct 1078 at Nezhatin Meadow near Chernigov, where Prince Iziaslav was killed.  Oleg was kidnapped from Tmutorokan on the orders of his uncle Vsevolod Grand Prince of Kiev and taken to Constantinople (from where he went to Rhodos where he spent two years and married his first wife), being replaced by Vsevolod's agent Ratibor, who in turn was expelled by Oleg's cousins David Igorevich and Volodar Rostislavich, before returning himself to take control of Tmutorokan in [1083].  He captured Chernigov in 1094, after expelling Prince Vladimir "Monomakh".  He was expelled in 1095 by Princes Vladimir and Sviatopolk, but waged continual war against them 1096/97[274].  He installed himself as Prince of Murom and Suzdal in 1096, but was obliged to withdraw by the armed forces of Mstislav Vladimirovich Prince of Novgorod (later Mstislav II Grand Prince of Kiev)[275].  Under the terms of the family accord at Liubech in 1097, he became Prince of Novgorod-Severskiy and Riazan.  m firstly (Rhodos [1081/83]%29 THEOFANO Mousalonissa, from Rhodos, daughter of --- (-after [1100]).  A seal dated to [1088] names "Theophano Mouzalonissa archontissa of Russia"[276].  Schlumberger assumes that “archontissa” indicates that Theofano was the wife of a Russian prince, citing as another example of use of the title a reference to St Olga, wife of Igor son of Rurik, as "archontissa tes Rosias", but he remarks that he had not identified the husband of Theofano[277].  Baumgarten identifies her husband, but he only cites the same passage in Schlumberger in support[278].  It has not been ascertained whether Baumgarten´s identification is based on another (primary) source or was an informed guess in light of Oleg´s reported stay in Rhodos (see above) and after eliminating other possible candidates in the Rurikid dynasty.  m secondly --- Kuman princess, daughter of OSSOLUR Asaduk Khan of Kumans.  Baumgarten records this marriage and cites a primary source in support[279].  Oleg & his first wife had three children:

a) VSEVOLOD Olegovich (-1 Aug 1146). Baumgarten names him and cites a primary source in support[280]. Prince of Chernigov 1127-1139. He succeeded in 1139 as VSEVOLOD II Grand Prince of Kiev.

- see below.

b) IGOR Olegovich (1096-murdered Kiev 19 Sep 1147). Baumgarten names him and cites a primary source in support[281]. Prince of Kursk 1115-1127. Prince of Chernigov 1139-1146. He succeeded in 1146 as IGOR Grand Prince of Kiev. He was expelled 1147 by Iziaslav Mstislavich, became a monk, but murdered shortly after. He came to be venerated as a saint.

c) GLEB Olegovich (-1138). Baumgarten names him, citing a secondary source in support[282]. He was installed as Prince of Kursk in 1136. He helped his brother Sviatoslav, then Prince of Novgorod, to drive out Vsevolod Mstislavich from Pskov where he had been planning to invade Novgorod[283]. m ---. The name of Gleb´s wife is not known. Gleb & his wife had one child:

i) IZIASLAV Glebovich (-14 May 1134). 'Baumgarten names him and cites a primary source in support[284].

         '''''' Oleg & his second wife had one child:''''''''''''''''''''' 

d) SVIATOSLAV NIKOLAI Olegovich (-15 Feb 1164). Baumgarten names him, citing a secondary source in support[285]. He was installed as Prince of Novgorod-Severskiy in 1139.

- see below, Chapter 5. PRINCES of NOVGOROD-SEVERSKIY and KURSK.

6. IAROSLAV Sviatoslavich (-1130). The Primary Chronicle names Iaroslav brother of Oleg, recording that the latter sent him as an outpost while he was attempting to seize Novgorod[286]. Prince of Chernigov 1123/27. Prince of Riazan and Murom 1127/29.

Sources:

http://fmg.ac/Projects/MedLands/RUSSIA,%20Rurik.htm#SviatoslavOlego...