The Cattle - 6:100
They associate with Allah the jinn. Yet He created them. Unknowingly they ascribed to Him sons and daughters. His glory is exalted, far superior to their attributes.
The gravity of ascribing children to Allah:
Mary/19:88
"They even said: "The Most Merciful has taken a child"
Mary/19:89
You have put forward an arrogant argument.
Mary/19:90
Because of this arrogance, almost the heavens will be torn asunder, the earth will split and the mountains will collapse.
Mary/19:91
Because they ascribed a child to the Most Merciful.
Mary/19:92
It does not befit the Most Merciful to have children.
Mary/19:93
Whoever is in the heavens and the earth will come to the Most Merciful as a servant.
The Cattle/6:101
He it is Who created the heavens and the earth out of nothing. How can He have a child when He has no partner? He is the Creator of all things and He is All-Knowing.
The Night Journey/17:40
Has your Lord chosen sons for you and has He taken for Himself daughters from the angels? You are making a very great claim.