Their mother, Nell Vera Lowe, was a Jamaican immigrant and single parent.
Madison and her brothers founded Williams Holdings, a real estate investment firm and later bought a majority share of The Africa Channel.
The company also bought the Los Angeles Sparks, which they sold in 2014 to Magic Johnson.
[4] In 2015, she wrote the book Finding Samuel Lowe: China, Jamaica, Harlem about her grandfather's life and travels and her own visit to Guangdong.
In 2015, Madison was recognized by East West Players for her contributions to the Asian American community, in particular for her documentary Finding Samuel Lowe: From Harlem to China, which chronicled the journey she and her brothers went on to rediscover their estranged father's side of the family.