# beloved child

"who is like my beloved child" 

# Grace, mercy, and peace from

"May grace, mercy, and peace be yours from" 

# God the Father and

"God, who is our Father, and.". This refers to God the Father. It is best to translate "Father" with the same word that your language uses to refer to a human father.  

# Christ Jesus our Lord

"Christ Jesus, who is our Lord"