Duke Osis' lineage is listed below.

• Duke Osis was squired to Sir Robert Fitzhugh of Bannockburn, KSCA, of the Midrealm.
• Sir Robert was squired to Sir William of Bellwood, KSCA, of the Midrealm.
• Sir William was squired to Sir Polidor Haraldsson, KSCA, of the Midrealm.
• Sir Polidor was squired to Duke Merowald de Sylveaston, KSCA, of the Midrealm.
• Duke Merowald was not himself squired.

Many, but not all, of the chivalry and squires in the lineage of Duke Osis are members of Hrogn Fra Osis.

Notes on this line:

• More than a third of the Dukes in Ealdormere are associated with Osis' line.

Solid lines indicate chivalry-squire relationships. Dashed lines indicate non-oathbound relationships (see below for details). Grey borders indicate members who live out-of-Kingdom.

Sir Osis

Sir Zadok

Raedmund

Sir Etian

Colgar

Master Worgan

Sir Berus

Sexton

Edward

Luke

Streonwold

Sir Leif

Wilheem

Ymir

Geoffry

Sir Aaron

Domhnaill

Frakki

Walter

Accursius

Sir Quilliam

Conall

Sir Tarkatai

Bjarn

Brogn

Breka

Faelan

William

Vanion

Taern

Kormákr

Duke Thorbjorn Osis Brandsson, KSCA is the head of this line.

Current and former Squires of Duke Osis

• Sir Zadok ben Solomon ibn Alfakhar,KSCA (now in Northshield)
• Master Worgan MacGregor, MOA
• Lord Raedmund dArden
• Duke Berus Wolfsson, KSCA
• Duke Etian au Naval, KSCA
• Sexton
• Lord Colgar the innocent
• Lord Edward the chaste

Current and former Squires of Master Worgan

• Duke Aaron Worganson, KSCA
• Duchess Domhnaill Galbraith, OL

Current and former Squires of Duke Berus

• Baron Luke Wolfsson fra Hrogn
• The Honourable Lord Wilheem Caimbeul
• Baron Streonwold Wulfesbana
• Lord Ymir the thinnest viking
• Duke Leif Wolfsonne, KSCA (now in Drachenwald)
• Lord Geoffry Richardson

Current and former Squires and Students of Duke Etian

• Lord Accursius the Baine (man at arms)
• Brogan of the Hrogn (man at arms)
• Duke Tormot Quilliam, KSCA
• Lord Breka fra Etain
• The Honourable Lord Conall MacEarnain
• Lord Faelan of Skeldergate

Current and former Squires of Duke Aaron

• Sir Tarkatai Bahadur, KSCA, OL
• The Honourable Lord Bjarn Aaronson

Squires of Duke Leif

• Lord Frakki Smidjudrumbr (of Drachenwald)
• Lord Walter von Are (of Drachenwald)

Squires of Duke Quilliam

• Lord William the Younger

Squires of Sir Tarkatai

• Lord Vanion of Ramshaven
• Baron Taern MacGregor
• Lord Kormákr Von Steinbach

The list of Duchess Domhnail's apprentices can be found in the Line of Corwyn and Domhnail.
The list of Sir Tarkatai's apprentices can be found in the Line of Tarkatai.