The phrase 'love of family' translates into Latin as 'amorem familiaris'.
Although much of the English language has its roots in Latin, it is often difficult to translate directly between the two languages, often because of the way Latin words are conjugated and form a new word when used in conjunction with each other.
What the Words Mean Separately
'Love' in in Latin is 'amant'.
'Love of' translates as 'amor' (this is where the French word for love, amour, comes from)
'Family' in Latin becomes 'familia' (as in our word 'familiar')
Used all together, the Latin phrase becomes 'amorem familiaris'.
This film gives you an introduction to learning the Latin language: