How do gender and power relationships affect expressions of family identities? Our project uses a case study of the Nassau-Orange family, whose extensive and diverse sources include letters, art, architectural precincts, naming patterns, and even colonial endeavours. We aim to reconceptualise these as egodocuments that are critical sources of familial expression, to analyse early modern concepts of family, identities, and power. The word and colour orange today symbolise Protestantism and the Dutch worldwide as a results of this pivotal family's self -presentation in the early modern period.