Help with interpreting births and deaths of children

[George Lind]

I have attached 4 images of births and deaths from Skartofta in the 1750s and 1760s
Bonde Rasmusson and Karna Christensdotter are the parents. They were married in July of 1757. They seem to have multiple children with the same name.

Image 1
21 Apr 1758  birth of son Christen        https://sok.riksarkivet.se/bildvisning/C0068906_00206
This is the baptism record for what looks like a son named Christen

Image 2
28 May 1758  son Christen                  https://sok.riksarkivet.se/bildvisning/C0068906_00206
This appears to be the same son Christen one month later.  Maybe this is an announcement?

Image 3
07 Dec 1760  birth of Christen             https://sok.riksarkivet.se/bildvisning/C0068906_00215
This appears to be the birth of another son named Christen.  There is no record of the previous son dying.

Image 4
02 Aug 1761  death of 3 year old child     https://sok.riksarkivet.se/bildvisning/C0068906_00217
This is the death of their 3 year old son.  That would have to be the son Christen born 21 Apr 1758 (Image 1) but the name appears to be Rasmus

They did have another son named Rasmus in 1763.  In the tax records for 15 Nov 1765 there are two children listed. Christen age 4 and Rasmus age 2.  They also have two sons named Per born in 1762 and 1768.

Am I interpreting these names wrong? Is it possible that a child was born or died and it is not reported?
Can anyone make sense of this?

Thanks,
George

[Maud Svensson]

1)
21 Apr 1758 baptism of Christen, born the night between the 15th and 16th of Apr.

2)
28 May 1758 burial of Christen, same parents.

3)
7 Dec 1760 baptism of Christen, born the night between the 27th and 28th of Nov, same parents.

4)
2 Aug 1761 burial of Rasmus, about 3 years old, dead of smallpox, same parents. 

[George Lind]

Thank you for clearing that up.  It makes sense now.  I am just missing the birth of Rasmus.
George