family fortune/ family's fortune

[queux]

Which is correct?
It will cost me my family fortune. or
[b]It will cost me my family's fortune.[/b


Thank you in advance.

[David L.]

It will cost me the family fortune.
You are specifically mentioning that this is (most probably) inherited money

compare the more general:
It will cost me a fortune!

[philo2009]

Which is correct?
It will cost me my family fortune. or
[b]It will cost me my family's fortune.[/b


Thank you in advance.

Not to disagree with David's answer, but simply to add FYI that, from a structural point of view, both expressions are possible.

[David L.]

I really reeeeally don't like:
It will cost me my family fortune.
It sounds to me like a non-native speaker who has omitted the 's in 'family'.

...and if it's the 'family' fortune, is 'my' really necessary - or redundant?
chacun à son goût

[philo2009]

I really reeeeally don't like:
It will cost me my family fortune.
It sounds to me like a non-native speaker who has omitted the 's in 'family'.

...and if it's the 'family' fortune, is 'my' really necessary - or redundant?
chacun à son goût

Well, my point here was simply the permissibility in principle of the construction [possessive DET. + attr. NP + NP], as exemplified by any number of structurally analogous expressions such as 'my rubber boots, his family car, our school photo',...

Of course, whether the most appropriate or idiomatic form for the adjectival adjunct in this instance is the common case attributive noun or the possessive-case determiner is a matter of debate, with regard to which - for what it's worth - I would be inclined to concur with you that the latter would probably be preferable!

[David L.]

Hang on! The 'really reeeally' and
chacun à son goût were meant to indicate this was more a personal preference of mine, and all meant quite light-heartedly.
Let me try two this time :

[philo2009]

Understood!