53870
Origins Ross was the eldest son and heir of William Ross , 12th Lord Ross , who died in 1738 , by Agnes , daughter and heiress of Sir John Wilkie of Fouldean .
 person: Ross; person: William Ross , 12th Lord Ross
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Ross, William Ross , 12th Lord Ross 
Answer:
 person: Ross; person: William Ross , 12th Lord Ross