Ruodhaid is a feminine given name of Germanic origin.Ernst Wilhelm Förstemann, Altdeutsches Namenbuch, Volume 1 (1900), col. 903. Persons with the name include:

Ruodhaid (concubine of Charles Martel) Ruodhaid (daughter of Pepin the Short) Ruodhaid (daughter of Charlemagne)

Attested spellings include:

Chrothaida Chrothais Hrodohaidis Hrodohagdis Hrodoagdis Hrodhaid Hrothagdis Hruodhaid Rhodhaid Rhodhaidis Rothaid Rothaidh Rothaidis Rotheda Ruadhaid Ruadheid Ruodhaidis Ruodheid Ruotheidis Ruothet Rutheidis Rutheit Rutheiz

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