Wiki information Hampartsoum:

Hampartsoum Limondjian
Ottoman classical Artist, Composer, Musical Artist, Deceased Person, Person

Hampartsoum Limondjian was an Armenian composer of Armenian church and classical music and musical theorist who developed the Hampartsoum notation system. The system was the main music notation for Armenian and Ottoman classical music until modern...

Hampartsoum Boyadjian
Deceased Person, Person

Hampartsum Boyajian, also known by his noms de guerre Murad and sometimes "Mets Murad", was an Armenians fedayi and a leading political activist of the Hnchak party.