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Birth:          ABT 1110 
Death:          14 Dec 1188 
Burial:         Diessen

Notes
b 1122/23
https://en.wikipedia.org/wiki/Berthold_I_of_Istria
Berthold III (c.?1110/1122[1][2] – 14 December 1188), a member of the Bavarian 
House of Andechs, was Margrave of Istria (as Berthold I) from 1173 until his death.

He was the son of Count Berthold II of Andechs (died 1151), ruler over Dießen in 
Bavaria, Plassenburg in Franconia and Stein in Carniola, and his first wife Sophia (d. 
1132), a daughter of Margrave Poppo II of Istria. His brother Otto became Prince-
Bishop of Brixen in 1165. A loyal supporter of the Hohenstaufen emperor Frederick 
Barbarossa, Count Berthold rose to one of the most important nobles, holding 
extended estates in Bavaria as well as in Franconia and in Carniola south of the 
Eastern Alps.

In 1173, he was appointed Margrave of Istria,[3] succeeding Engelbert III, the last 
Margrave from the House of Sponheim and cousin of his mother Sophia. When in 1180 
Emperor Frederick deposed the Welf duke Henry the Lion, he vested Berthold's son, 
Count Berthold IV, with the title of a Duke of Merania, thereby elevating the House of 
Andechs to princely status.

Marriage and issue[edit]

Berthold III was married twice. In 1152 he married Hedwig of Wittelsbach, daughter of 
the Bavarian Count palatine Otto IV of Scheyern and Heilika of Pettendorf-
Lengenfeld-Hopfenohe.[1] They had four children:
1.Berthold IV, Duke of Merania (1153–1204).
2.Sophia (died 1218). Married Poppo VI, Count of Henneberg (died c. 1190).
3.Kunigunde (died after 1207). Possibly married Eberhard, Count of Eberstein.
4.Matilda, Countess of Pisino (died 1245). Married Berthold, Margrave of Vohburg. In 
c. 1190 married secondly Engelbert III, Count of Gorizia (died 1217/20).

His second wife became in c. 1180 princess Luitgard of Denmark, daughter of king 
Sweyn III of Denmark and Adela of Meissen. They had two children:
1.Poppo, Bishop of Bamberg (died December 2, 1245).
2.Berta, Abbess in Gerbstadt (died 1190).

Parents
____ Berthold II (IV) (ABT 1078 - 27 Jun 1151)
OF ISTRIA Sophia (ABT 1090 - 6 Sep 1128)

Siblings
____ Berthold I (V) (ABT 1110 - 14 Dec 1188)

Marriage To OF WITTELSBACH Hedwig (ABT 1130 - 16 Jul 1174)
    m. 1152 her 1st

Notes

Parents
VON WITTLESBACH Otto IV (ABT 1085 - 4 Aug 1156)
VON PETTENDORF OF LENGENFELD Heilika (ABT 1103 - 13 Sep 1170)

Children by OF WITTELSBACH Hedwig ABT 1130 - 16 Jul 1174
____ Berthold IV (VI) (ABT 1159 - 12 Aug 1204)

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