4680
Many of the Glass House 's walls , as well as the wood-paneled and softly lit lobby of the company 's design center , feature portraits of Mr. Ford 's ancestors , like his legendary great-grandfather Henry Ford , his grandfather Edsel Ford and his father , William Clay Ford Sr. .
 children: Henry Ford, Edsel Ford
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
Answer:
 children: Henry Ford, Edsel Ford