Hebrews 2:11

For he who sanctifies and those who are sanctified all have one source. That is why he is not ashamed to call them brothers,

(Hebrews 2:11 ESV)

There is a special union between Jesus and man, so much so that Jesus became a man and took on sufferings of man, and took lowly man and made him holy as He is. We have a oneness with Him. And we are part of His family.