Murdered mother-of-two Yvonne Walsh was a warm and loving person who was "absolutely devoted to her two young children".
Wesley Williams was jailed for a minimum of 29 years for the murders of Ms Walsh, 25, and her seven-month-old son Harrison.
The bodies of the mother-of-two - whose other child was staying with relatives - and Harrison were found on June 2 after police forced entry to their home.
Detective Chief Inspector Sarbjit Johal, from the homicide investigation team, described Williams' actions as "shocking and senseless".
Speaking outside court, the officer said: "Yvonne's family described her as a warm and loving person who was a dedicated professional and absolutely devoted to her two young children.
"My thoughts are with their family, friends and the community that they lived in who are all still struggling to come to terms with their deaths."
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