From Olga Nikolaevna's diary:
"Wednesday 21 Dec.
At 9, we 4, Papa and Mama went to the place where Ania's Church is being built. A Litia was served and Father Grigory was buried on the left-side of the future Church. Holy God save us! The only ones there were Ania, Lili, Akilina, Feodosia Stepanovna, Zhuk, Colonel Maltsev, the architect, and the Priest. After that, we two went to Znamenia and hospital. I wrote, Kasianov dictated. Did the beds and gave out medicine."
(Thanks to Georgiy for the translation.)
So it would appear, according to Spiridovich and Olga Nikolaevna that the tsar misspoke when he said "the whole family" attended. Odd, isn't it?
Does anyone know, then, why Aleksei did not attend the funeral?