knock 1️⃣nce for the father
2️⃣wice for the son
3️⃣hree times for the holy ghost
YOU DIDN'T SEE THAT 
"knock once for the father, twice for the father"
@vantablack "three times...also for the father"
@DrSagan @vantablack knock four times and daddy's home
@Nine @vantablack NO.