Siri calling internet searches not my contact

I routinely use Siri to dial calls for me, however for the last 3 wks, Siri has been searching the internet for matches my verbal requests rather than my contacts

For example I'll call my brother (who I have called for years using Siri), but when I say "Call Tony W...", and look down, A Tony's Auto cleaning service which I've never called before or am familiar with will all of a sudden be ringing. The same thing happens when I try to call my wife.

I've resorted to making goofy nicknames that don't have easy internet searches, and am pondering an android device.

How can I get apple to prioritize my contacts over random numbers found on the internet?