“...that they are a mix of both sexes.”
God gave them masculine names for a reason. He created two genders, male and female. No gender “fluidity” in his creation.
True- was just stating what some folks preach, and ehat artists may have been taught when they made angels appear feminine and masculine at same time.
There is however th3 following vision
Zechariah 5:9 ESV
Then I lifted my eyes and saw, and behold, two women coming forward! The wind was in their wings. They had wings like the wings of a stork, and they lifted up the basket between earth and heaven.
Some take it to mean they were actually “female” angels, (even thouhg the word angel isnt menationed) while others think that it was merely symbolic vision