In modern times, King Felipe VI of Spain is a member of this family, while Grand Duke Henri of Luxembourg is of relation to the family by agnatic kinship; both through the Bourbon branch of the dynasty. Along with the House of Habsburg, arguably its greatest historic rival, it was one of the two oldest European royal dynasties. It was also one of the most powerful royal families in European history, having played a pre-eminent role in its politics for much of its existence.