The loss of an infant can be particularly devastating, so use this condolence letter for sample wording.
Dear {Recipient},
I am so sorry to hear that your {son/daughter}, {Name}, died. It is heartbreaking to lose such a young child. I cannot imagine what you are going through in this moment, but if there is any way in which I can support you, please feel free to call.
You are, as always, in my thoughts.
My deepest sympathies,
{Sender}
