Valentina Guebuza, was reportedly shot dead in the Maputo on Wednesday.
The deceased is a daughter to the former Mozambique president Armando Guebuza, who stepped down in 2014 after serving a two term limit.
Her husband, Zofino Muiuane has been arrested by police, the Diario de Noticias newspaper reported.
Muiuane was arrested in one of Maputo’s city squares, the newspaper said.
The couple have a child together.
Ms Guebuza was listed as the seventh most powerful young woman in Africa by Forbes magazine in 2013 and held a strong of positions in telecommunications companies and family businesses, Sapo24 reported.
May her soul rest in peace.