375094
Her maternal grandparents were Gerlach IV of Isenburg-Limburg and his wife Imagina of Blieskastel .
 Gerlach IV of Isenburg-Limburg, Imagina
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Gerlach IV of Isenburg-Limburg, Imagina