EntityQ227399· pop 26· linked from 3 articlesNicholas ISign in to saveWikimedia disambiguation pageConnectionsWikisourceEntityNicholas I of RussiaEntityNicholas IEntityNicholas I of MontenegroEntityfloruitEntityNicholas MystikosEntityNicolaus I BernoulliEntityNikolaus I, Prince EsterházyEntityNicholas I, Duke of LorraineEntityNicholasEntityNicholas I GarayEntityNicholas I, Duke of TroppauEntityNicholas I of OpoleEntityNicholas I, Lord of RostockEntityNicholas I, Lord of MecklenburgEntityNicholas I, Count of TecklenburgEntityPatriarch Nicholas I of AlexandriaEntityCategoriesHuman name disambiguation pages