I wouldsaythatnativespeakerswillprobablyusewhateveristheshortestwaytodescribewhateveritistheywanttosay.
Soprobablytheapostrophe s patternismostcommon.
It's certainlynotincorrecttousetheofpattern.
Botharefinetousehere.
Whenyou'retalkingaboutpeople, however, itdoessoundmuchmorenaturaltousetheapostrophe s patternusingtheofpatterntoshowpossessionforsomethingweownorsomethingwehaveSoundsveryweirdwhenyou'retalkingaboutpeopleexamples.
As I said, nativespeakerstendtousetheshortestexpressionpossible.
Soinmostcases, that's theapostrophe s pattern.
Alsonotethatinsomeformalsituations, whenwewanttomakesomethingsound a bitMaurlikegrandorexcitingAh, wewillusethatofpatterninsteadoftheapostrophe s pattern, likethePalaceoftheKinginsteadoftheKing's Palace.
Sothat's goingtomakeitsound a littlebitmoreexciting.