latasha gosling , 27 , of tisdale , saskatchewan , was found murdered in her home early wednesday .
her two daughters , janyaa , 4 , and jenika , 8 , and her son landen , 7 , were also discovered dead .
hours later police found the suspect dead at his residence , along with a six-month-old baby who was unharmed .
police are not releasing much information at this time , but did reveal the suspect and victims knew one another .