It has nothing to do with your ages theory. Yet, I add this to your verse:
My sheep hear my voice, and I know them, and they follow me. I give them eternal life, and they will never perish, and no one will snatch them out of my hand. My Father, who has given them to me,is greater than all, and no one is able to snatch them out of the Father’s hand.
~ John 10:27-29
Church age theory... You realize that the Foxes book of martyrs has the Roman persecutions as ten
Smyrna - The Persecuted church - The Second Church - The Apostle Paul
Fear none of those things which thou shalt suffer: behold, the devil shall cast some of you into prison, that ye may be tried; and ye shall have tribulation ten days: be thou faithful unto death, and I will give thee a crown of life. - Revelation 2:10
And from the Foxes Book of Martyrs...
Ye Shall Have Tribulation Ten Days…
Time
Persecutor Description
67 AD
Nero The Smyrna Church Age begins with Nero setting fire to Rome, and then blaming the Christians. Paul was beheaded with this persecution.
81 AD
Domitian Declaration that no Christian should be exempt from punishment, Paul’s Timothy died in 97 AD.
108 AD
Trajan and Adrian Severe persecution against Christians from 108 to 138 AD during the time of the Bishop Ignatius
162 AD
Marcos Aurelius Marcos Aurelius, commendable in study of philosophy, sharp and fierce towards Christians.
192 AD
Severus This persecution was carried out by the will and prejudice of the people and extended into Africa.
235 AD
Maximus Numberless Christians were slain without trial and burned indiscriminately in heaps
249 AD
Decius Began because of the amazing increase in Christianity, and with the heathen temples forsaken.
257 AD
Valerian The martyrs that fell during this persecution were innumerable, their tortures and deaths painful.
274 AD
Aurelian A brief persecution that ended with the emperor’s assassination.
303 AD
Diocletian The last persecution ended with Constantine’s triumph against Rome in 313 AD
You have read church history along with your bible haven't you?