It will be challenging due to your age. Some immigration programs have age caps. Other programs are points based and you'll lose significant points due to your age. Suggest you start by looking at the Express Entry program and determining how many points you have. You need to score around 480+ to have a decent chance of being selected. https://www.canada.ca/en/immigration-refugees-citizenship/services/immigrate-canada/express-entry/works.html
Your children can be included in the application provided they are under 22 at the time the application is received by IRCC.