[3] Michał was raised in Poland by his grandmother and after her death he lived in Germany with his aunt's family.

Their next vocalist was Justyna Majkowska from 2001 to 2003 and in this time Ich Troje was the most popular pop group in Poland.

In 2003 Wiśniewski chose a new vocalist, Anna Świątczak who won the special eliminations in the TVP show Szansa na sukces.

Former Ich Troje vocalists, Justyna Majkowska and Magda Femme and Real McCoy were invited to perform with Michał Wiśniewski, Jacek Łągwa and Anna Wiśniewska.

He represented Łódź, Poland and found sixteen talented vocalists from that city to perform different songs.

One of the girls who sang on this team, Justyna Panfilewicz became the fifth Ich Troje vocalist in 2011.

[5] In 1996 he married Magda Femme, a singer and Ich Troje's first vocalist, in a civil ceremony.

In November 2013 Wiśniewski stated in an interview that he proposed to Femme after taking LSD.

They married in a civil ceremony in 2002, and on 24 June 2002 their son, Xavier Michał Wiśniewski, was born in Warsaw.

[11] In 2003, he met Anna Świątczak, whom he selected as Ich Troje's next vocalist after her performance at the Polish music show Szansa na sukces.

[19] On 11 July 2011 Wiśniewski announced his engagement to Dominika Tajner-Idzik, daughter of Apoloniusz Tajner.

[23] In December 2019, Michał got engaged to 36-year-old Paulina,[24] a divorced mother of four children, whom he met via the internet months earlier.