If you are looking for the lyrics or the story behind the famous song:
For a serious academic look at what it means to be a "family man" in Brazil, you can refer to papers that discuss the model.
For a classic portrayal, the 19th-century Portuguese novel by Júlio Dinis offers a traditional view of the "homem de família," describing the transition from a carefree bachelor to a rooted, responsible man dedicated to his wife and children.